atom ??

1
??????????
Scientific Way of Learning English Vocabulary
??? T.K.Ng
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? ? ? ? ? ? ? ?
?? ?? ?? prefix root suffix

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??composition
com posit ion
together put
(noun)
???????? ? ??
4
?? References
1. ???????? http//www.etymonline.com 2.
?????? ???? ???????? 3. ???????
????? ????
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? ?

• a- , an- not , without (?,?)
• acid sour (?)
• act to do (??)
• ag- to do , to act (??)
• ali- to nourish (??)
• alter , ali- other (???)
• angl- , angul- angle (?)
• anima- to breath (??),life (??)
• apt- fit (???)
• aqua- water (?)

P.12
P.14
P.15
P.19
P.20
P.21
P.23
P.25
P.26
P.27
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11. bi- , di- double , two , twice (?) 12.
calc- lime (??) 13. cap- , cip- head (?) 14.
carn- fresh (?) 15. cav- hollow (???) 16.
centr- centre (??) 17. chloro- pale green
(???) 18. circ- , cyc- ring (?) 19. circum-
around , round about (??) 20. cur- to run , to
flow (?,?)
P.28
P.31
P.332
P.35
P.36
P.38
P.40
P.41
P.44
P.46
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21. dia- through , between , across (??) 22.
dic- , dict- to say (?) 23. du- , duo- , dou-
two (?) 24. -duce , -duct to lead (??) 25.
electr- electric (??) 26. equ- equal
(???) 27. fact- to make ,to do (?) 28. fin-
to end (??) 29. flu- to flow (??) 30. for- ,
fort- strong (???)
P.49
P.51
P.54
P.57
P.60
P.63
P.66
P.68
P.71
P.74
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31. form to shape (??) 32. found- , fund-
base (??) 33. fract- , frag- to break (??) 34.
gen- together (??) , race (??) 35. -gram to
write , to draw (??) 36. -graph to draw , to
write (??) 37. heli- sun (??) 38. hydro-
water (?) 39. iso- equal (???) 40. -ject to
throw (?,?)
P.77
P.82
P.84
P.86
P.91
P.93
P.96
P.97
P.100
P.102
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41. labor- to work (??) 42. mon- , mono- one
, single (??) 43. neutr- neither (????) 44.
nucl- nut (???) 45. numer- to count (??) 46.
oxy- acid (?) 47. part- part (??) , to divide
(??) 48. pass- to pass (??) 49. peri- around
, round about (??) 50. -peri to go through
(??),to try (??)
P.106
P.107
P.110
P.111
P.112
P.114
P.115
P.119
P.122
P.124
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51. -port gate (?) , harbour (??) 52. -port
to carry (??) 53. pos- to put , to place
(??) 54. prim- , prin- first (??) 55. proto-
first 56. quadr- , tetra- four (?) 57. rect-
right (???),straight(??) 58. sal- salt (?) 59.
sat- full (???) 60. solu- , solv- to loosen
(??)
P.126
P.128
P.131
P.137
P.140
P.142
P.144
P.147
P.149
P.151
11
61. still- to drop (?) 62. stru- , struct- to
build (??) 63. tang- , tact- to touch (??) 64.
temper- to moderate (??) 65. tempor- time
(??) 66. tri- three (?) 67. uni- one (?) 68.
val- , vail- worth (??),strong (??)
P.154
P.156
P.159
P.161
P.162
P.164
P.167
P.170
12
atom ? ?
a- , an- not , without (?,?)

• atom (n)

??

• abyss (n)

???? (byss bottom)

• achromatic (adj)

??? (chromat colour)

• amoral (adj)

????

• amorphous (adj)

???? (morph form)

• apathy (n)

????
13
????

• asymmetry (n)

??? (theology ??)

• atheism (n)

• atypical (adj)

????

• anhydrous (adj)

??? (hydro water)

• anomalous (adj)

????

• anonymous (adj)

??? (nomo name)

• anarchy (n)

????? (arch chief)
14
acid ?
acid sour (?)

• acid (n)

?

• acidic (adj)

??

• acidify (v)

??

• acidity (n)

??

• acidulous (adj)

???,???
15
reaction ? ?
act to do (??)

• act (v)

??,??

• action (n)

??,???

• activate (v)

??,??

• activation (n)

????

• activator (n)

???
16

• active (adj)

???

• activity (n)

??

• actual (adj)

???,???

• actualize (v)

??

• actually (adv)

???
17

• enact (v)

??,?? (en in)

• enactment (n)

??

• exact (adj)

???,??? (ex out)

• inactive (adj)

????

• interact (v)

???? (inter between)
18

• react (v)

?????,??? (re back)

• reaction (n)

??,????

• reactive (adj)

???

• reactivity (n)

?????

• transact (v)

?? (trans through)

• transaction(n)

??
19
agent ? ?
ag- to do , to act (??)

• agency (n)

???

• agenda (n)

??

• agent (n)

???

• agile (adj)

???

• agitate (v)

??
20
alimentary canal ? ?
ali- to nourish (??)

• aliment (n)

??

• alimentary (v)

???

• alimentation (n)

??

• alimentotherapy (n)

????

• alimony (n)

???

• alible (adj)

??????
21
alternate current ? ? ?
alter , ali- other (???)

• alter (v)

??

• alteration (n)

??

• alternate (adj)

???

• alternate current (n)

??? (AC)
22

• alternation (n)

??

• alternative (adj)

?????

• alternator (n)

?????

• alien (adj)

????

• alias (n)

??
23
angle ?
angl- , angul- angle (?)
?,??

• angle (n)

• angular (adj)

???

• equiangular (adj)

??? (equi equal)

• rectangle (n)

??? (rect right)
24
??? (tri three)

• triangle (n)

????

• triangular (adj)

• ankle (n)

??
25
animal ? ?
anima- to breath (??),life (??)

• animal (n)

??

• animate (v)

????

• animation (n)

??,??

• animator (n)

?????

• animosity (n)

?? (????)

• animus (n)

??
26
adaptation ? ?
apt- fit (???)
??,???

• apt (adj)

• aptitude (n)

???,??

• apthy (adv)

???

• adapt (v)

??? (ad to)

• adaptation (n)

??

• adaptability (n)

???
27
aqueous ? ? ?
aqua- water (?)
???

• aquaplane (n)

• aquarelle (n)

???

• aquarium (n)

???

• aquatic (adj)

???

• aqueduct (n)

??

• aqueous (adj)

???
28
dioxide ? ? ? ?
bi- , di- double , two , twice (?)
????

• bicarbonate (n)

• biceps (n)

???

• bicycle (n)

??

• bilateral (adj)

???
29

• bilingual (adj)

?????

• binary (adj)

???,???

• binoculars (n)

?????

• binomial (adj)

???

• bisect (v)

???
30

• bisexual (adj)

???

• biweekly (n)

???

• dilemma (n)

???????

• dioxide (n)

????

• diatomic (adj)

????
31
calcium ?
calc- lime (??)

• calcite (n)

???

• calcify (v)

????

• calcium (n)

?

• calculate (v)

(???) ?? (ul little)
32

• calculation (n)

??

• calculator (n)

???

• calculus (n)

???,??

• chalk (n)

??
33
precipitate ? ? ?
cap- , cip- head (?)

• cap (n)

?????,??

• cape (n)

?,??

• capital (n)

??,????,??

• capitalism (n)

????
34

• capitalist (n)

???

• captain (n)

??

• precipitate (n)

???,??? (pre before)

• precipitation (n)

??,??
35
carnivore ? ? ? ?
carn- fresh (?)
???

• carnage (n)

• carnal (adj)

???

• carnation (n)

?? (???),???

• carnival (n)

???? (???)

• carnivore (n)

????

• carnivorous(adj)

???
36
concave ? ? ?
cav- hollow (???)

• cave (n)

??

• cavern (n)

???

• cavity (n)

??,?

• concave (adj)

??? (con together)
37

• excavate (v)

?? (ex out)

• excavation (n)

??

• excavator (n)

???

• cage (n)

??,?
38
concentration ? ?,? ?
centr- centre (??)

• central (adj)

???,???

• centralize (v)

??

• centralization(n)

??,????

• centre (n)

??

• centrifugal (adj)

??? (fugal to flee)
39

• centripetal (adj)

??? (pet to seek)

• concentrate (v)

??,?? (con together)

• concentration (n)

??,??

• decentralize (v)

?? (de away)

• self-centred(adj)

?????
40
chlorine ?
chloro- pale green (???)

• chlorine (n)

??

• chloride (n)

???

• chlorination (n)

????

• chlorophyll (n)

???

• chloroplast (n)

???

• chloroform (n)

?? (???)
41
circle ?
circ- , cyc- ring (?)

• circle (n)

?

• circular (adj)

??,???

• circulation (n)

??

• encircle (v)

??

• semicircle (n)

??? (semi half)
42

• cycle (n)

??

• cyclist (n)

????

• cyclone (n)

??

• cylinder (n)

??

• bicycle (n)

??,???

• tricycle (n)

???

• encyclopedia (n)

???? (en in, pedia education)
43
?? (it to go)

• circuit (n)

??

• circulate (v)

??,??

• circular (n)

• circus (n)

???
44
circumference ? ?
circum- around , round about (??)

• circumambulate(v)

?? (ambulate to walk)

• circumcise (v)

??? (cise to cut)

• circumference (n)

?? (fer to carry)

• circumflex (n)

?? (flex to bend)
45

• circumfluence (n)

?? (flu to flow)

• circumnavigate (v)

???? (nav ship)

• circumscribe (v)

?? (scribe to write)

• circumspect (adj)

??? (spect to look)

• circumstance (n)

?? (stan to stand)
46
current ? ?
cur- to run , to flow (?,?)

• current (n)
• (adj)

??,?? ,?? ???,???

• currently (adv)

??

• currency (n)

??,??

• curriculum (n)

????????
47

• curricular (adj)

???

• concur (v)

???? (con together)

• concurrence (n)

??,????

• concurrent(adj)

?????

• occur (n)

?? (oc before)
48

• occurrence (n)

??

• recur (v)

??

• recurrence (n)

??

• recurrent (adj)

????

• corridor (n)

??
49
diagonal ? ? ?
dia- through , between , across (??)

• diagnosis (n)

?? (gnosis knowledge)

• diagonal (n)

??? (gonal angle)

• diagram (n)

??

• dialect (n)

?? (lect to speak)
50

• dialogue (n)

?? (logue speech)

• diameter (n)

??

• diaphragm (n)

??? (phragm fence)
51
indicator ? ? ?
dic- , dict- to say (?)

• dictate (v)

??,??

• dictation (n)

?? (??),??

• dictator (n)

???,???

• diction (n)

??,??

• dictionary (n)

??,??
52

• contradict (v)

??,?? (contra
against)

• contradiction(n)

??,??

• predict (v)

?? (pre before)

• prediction (n)

??

• verdict (n)

??,?? (ver true)
53

• dedicate (v)

??,?? (de down)

• dedication (n)

??,??

• indicate (v)

??,?? (in towards)

• indication (n)

??

• indicator (n)

???
54
duodenum ? ? ? ?
du- , duo- , dou- two (?)

• duodenum (n)

???? (den ten)

• duologue (n)

?? (logue to speak)

• dodecagon (n)

???? (deca ten)

• dozen (n)

??,??? (zen ten)
55

• dual (adj)

???

• duel (n)

????

• duet (n)

???

• duplex (adj)

??? (plex fold)

• duplicate (v)

??
56

• duplication (n)

??

• duplicity (n)

????

• double (adj)

???

• doubt (v)

?? (?????)
57
product ? ?
-duce , -duct to lead (??)

• conduct (v)

??,??,??

• conductor (n)

???,???

• deduce (v)

?? (de down)

• deduct (v)

??

• ductile (adj)

????
58

• ductility (n)

???

• educate (v)

?? (e out)

• education (n)

??

• induce (v)

??

• induction (n)

??,??

• introduce (v)

?? (intro inward)

• introduction (n)

??,??,??
59

• oviduct (n)

??? (ovi egg)

• produce (v)

?? (pro forward)

• product (n)

??

• reproduce (v)

???

• reproduction (n)

??

• reduce (v)

??

• reduction (n)

??
60
electron ? ?
electr- electric (??)

• electric (adj)

??

• electrical (adj)

??

• electrician (n)

??

• electricity (n)

??

• electrify (v)

???
61

• electrocute (v)

??

• electrochemistry (n)

???

• electrode (n)

?? (ode road)

• electrolysis (n)

?? (lysis to free)

• electromagnetic (n)

???
62
??

• electron (n)

• electronics (n)

???
??

• electroplating (n)

• electrostatic (adj)

???

• electrotherapy (n)

??
63
equation ? ? ?,? ?
equ- equal (???)
??? ???

• equal (adj)
• (v)

• equality (n)

??

• equate (v)

???,????

• equation (n)

???,??
64

• equator (n)

?? (?????)

• equinox (n)

??,?? (?????) (nox night)

• equity (n)

??

• equivalent (adj)

???,???

• equilateral (adj)

??? (lateral side)
65

• equilibrium (n)

??

• equiangular (adj)

???

• adequate (adj)

???,??? (ad to)

• inadequate (adj)

???? (in not)
66
factor ? ?,? ?
fact- to make ,to do (?)

• fact (n)

??,?? (????)

• factor (n)

??,??

• factorize (v)

????

• factorization(n)

????

• factory (n)

??
67

• faction (n)

???,??

• manufacture (n)

?? (manu hand)

• facilitate (v)

????,???

• facility (n)

??,??,?? (pl)

• faculty (n)

??,??

• difficult (adj)

???(dif dis apart)

• difficulty (n)

??,??
68
infinite ? ?
fin- to end (??)

• fine (n)

??(??)

• fine (adj)

???,???

• final (adj)

???

• finalize (v)

??,???

• finally (adv)

??
69

• finance (n)

?? (?????)

• finish (v)

??

• finite (adj)

???

• infinite (adj)

??? (in not)

• infinitive (n)

???

• infinity (n)

???
70

• confine (n)

??,??(con together)

• confinement(n)

??,??

• define (v)

???,?? (de down)

• definite (adj)

???

• definition (n)

??

• refine (v)

??,?? (re again)

• refinery (n)

???
71
fluorine ?
flu- to flow (??)

• fluctuate (v)

??

• fluctuation (n)

??,??

• fluent (adj)

???

• fluency (n)

??

• fluid (n)

??
72

• flue (n)

??

• flume (n)

??

• flute (n)

?,?

• flush (v)

??

• flux (n)

??

• flood (n)

????
73

• fluoride (n)

???
? (fluor ??)

• fluorine (n)

• fluorescent (adj)

????

• influence (n)

???

• influenza (n)

?????

• reflux (n)

??
74
force ?
for- , fort- strong (???)

• force (n)
• (v)

?,?? (pl) ??

• forcible (adj)

???

• enforce (v)

??,?? (en in)

• enforcement (n)

??
75

• reinforce (v)

?? (re again)

• reinforcement (n)

??

• fort (n)

??

• fortress (n)

??

• fortify (v)

??
76

• fortitude (n)

??

• comfort (v)

?? (com wholly)

• comfortable(adj)

???

• discomfort (n)

??? (dis not)

• effort (n)

?? (ef out)
77
formation ? ?
form to shape (??)

• form (n)
• (v)

??,?? ??,??

• formal (adj)

????,???

• formality (n)

??,??
78

• informal (adj)

???? (in not)

• formation (n)

??,??

• formula (n)

??,??,???

• formulate (v)

???

• conform (v)

???,??? (con
together)
79

• conformation (n)

??

• deform (v)

????,??? (de away)

• inform (v)

??,??

• information (n)

??,??

• informative(adj)

???,????
80

• malformation (n)

?? (mal bad)

• perform (v)

??,?? (per
thoroughly)

• performance (n)

??,??

• reform (v)

??,?? (re again)

• reformer (n)

???
81
???,?? (trans
across)

• transform (v)

• transformation(n)

??,??

• transformer (n)

??? (??)

• uniform (n)
• (adj)

?? ??? (uni one)

• uniformity (n)

??,??
82
fundamental ? ? ?
found- , fund- base (??)

• found (v)

???,??

• foundation (n)

??,???

• founder (n)

???

• fund (n)

??,??
83

• fundamental (adj)

???

• profound (adj)

??? (pro forward)

• profundity (n)

??
84
fractional ? ? ?
fract- , frag- to break (??)

• fraction (n)

??,??

• fractional (adj)

???,???

• fracture (n)

??,??

• fragile (adj)

???

• fragment (n)

??
85

• fragmentary(adj)

????

• fragmentation (n)

??

• frail (adj)

???

• diffract (v)

?? (dif apart)

• diffraction (n)

????

• refract (v)

?? (re back)

• refraction (n)

????
86
gene ? ?
gen- to produce (??) , race (??)

• gender (n)

??,?

• gene (n)

??,????

• genealogy (n)

???,?? (logy study)

• general (adj)
• (n)

???,??? ??
87

• generality (n)

???,??

• generalize (v)

???,??

• generally (adv)

???,???

• generate (v)

??,??

• generation (n)

??,??,??
88

• generator (n)

???,???

• generic (adj)

??,???

• generous (adj)

???,???

• genesis (n)

??,??

• genetics (n)

???
89

• genius (n)

??

• gentle (adj)

??? (????)

• gentleman (n)

??,??

• genuine (n)

???

• homogeneous(adj)

???,??? (homosame)
90

• heterogeneous(adj)

??? (hetero different)

• hydrogen (n)

? (hydro water)

• nitrogen (n)

? (nitro nitre)

• oxygen (n)

? (oxy acid)
91
diagram ? ?
-gram to write , to draw (??)
??

• grammar (n)

???

• grammatical (adj)

• gramophone (n)

???

• diagram (n)

?? (dia through)
92

• parallelogram (n)

?????

• program (n)

????? (pro before)

• programmer (n)

?????

• telegram (n)

?? (tele far off)

• histogram (n)

?????
93
graphite ? ?
-graph to draw , to write (??)
??,???

• graph (n)

• graphic (adj)

???

• graphite (n)

?? (????????)

• autograph (n)

?? (auto self)
94
?? (bio life)

• biography (n)

??

• autobiography(n)

?? (calli beautiful)

• calligraphy (n)

• geography (n)

??? (geo earth)

• monography (n)

?? (mono single)
95
??? (ortho right)

• orthography (n)

?? (para beside)

• paragraph (n)

??? (phono sound)

• phonograph (n)

• photograph (n)

?? (photo light)

• telegraph (n)

?? (tele far off)
96
helium ?
heli- sun (??)

• helioscope (n)

?????

• heliotropic (adj)

????

• helium (n)

? (???????)

• heliosis (n)

??
97
hydrogen ?
hydro- water (?)

• hydra (n)

??

• hydrant (n)

?????

• hydrate (n)

?????

• hydraulic (adj)

???
98

• hydrocarbon (n)

?????

• hydroelectric (adj)

?????

• hydrogen (n)

? (gen generate)

• hydroxide (n)

????

• hydrolysis (n)

?? (lysis to free)
99
???

• hydrofoil (n)

??? (philic to love)

• hydrophilic (adj)

??? (phobic fear)

• hydrophobic (adj)

• anhydrous (adj)

??? (an not)

• dehydration (n)

???? (de away)
100
isotope ? ? ?
iso- equal (???)

• isobar (n)

??? (bar pressure)

• isomer (n)

????? (mer part)

• isometric (adj)

??? (metr to measure)

• isomorphic(adj)

??? (morph form)
101

• isosceles (adj)

???

• isotherm (n)

??? (therm heat)

• isotope (n)

??? (tope place)
102
object ? ?
-ject to throw (?,?)

• adjective (n)

???

• conjecture (n)

??,??(con together)

• eject (v)

??,??,?? (e out)

• ejection (n)

???

• inject (v)

??,?? (in into)
103

• interject (v)

?? (inter between)

• interjection (n)

???,???

• object (n)
• (v)

??,??,?? (ob
before) ??,?? (ob against)

• objection (n)

??,??
104

• objective(adj)
• (n)

??? ??

• objectivity (n)

???

• project (v)
• (n)

??,??(pro forward) ??,??,??

• projectile (n)

???,??
105

• projection (n)

??,??,??

• projector (n)

???

• reject (v)

??,?? (re back)

• subject (n)
• (v)

??,??,?? (sub
under) ???

• subjective(adj)

???
106
laboratory ? ? ?
labor- to work (??)

• labour (n)

??,??

• labourer (n)

??

• laboratory (n)

???

• collaborate (v)

??

• elaborate (v)

????
107
monoxide ? ? ? ?
mon- , mono- one , single (??)

• monarch (n)

?? (arch ruler)

• monatomic (adj)

????

• monk (n)

??,?? (??)

• monochrome(adj)

???(chrome colour)

• monocycle (n)

???
108

• monograph (n)

???? (graph write)

• monolingual (adj)

???????

• monologue (n)

?? (logue to speak)

• monopoly (n)

?? (poly to sell)

• monopolize (v)

??

• monosyllable (n)

???
109

• monotone (n)

???

• monotonous (adj)

???

• monotony (n)

??

• monoxide (n)

????

• monsoon (n)

??? (???)
110
neutron ? ?
neutr- neither (????)

• neutral (adj)

???,???

• neutralize (v)

???,??

• neutralization (n)

????

• neutrality (n)

??

• neutron (n)

??
111
nucleus ? ?
nucl- nut (???)

• nucleus (n)

???,?

• nuclear (adj)

????,??

• nucleic acid (n)

??

• nucleon (n)

??

• nucleonics (n)

??????
112
number ? ?
numer- to count (??)

• number (n)

??

• numberless (adj)

???

• numeral (n)

??

• numerical (adj)

???
113

• numerate (v)

??

• numerator (n)

?????

• numerous (adj)

???

• enumerate (v)

??

• innumerable (adj)

???
114
oxygen ?
oxy- acid (?)

• oxygen (n)

?? (gen generate)

• oxide (n)

???

• oxidize (v)

??

• oxidation (n)

????
115
particle ? ?,? ?
part- part (??) ,to divide (??)

• part (n)

??

• partial (adj)

????,???

• participate (v)

??,?? (cipate to
take)

• participant (n)

??? (?????)

• participation (n)

??,??
116

• participle (n)

??

• particle (n)

??,??

• particular (adj)

???,???

• particulate (adj)

????

• partition (n)

??,??,??

• partner (n)

??
117

• party (n)

??,?

• apart (adv)

??? (a to )

• apartment (n)

??,??

• compart (n)

?? (com with)

• compartment(n)

??,??

• depart (v)

??,?? (de apart)
118

• department (n)

??,??

• departure (n)

??,??

• portion (n)

??

• proportion (n)

?? (pro forward)

• proportional(adj)

????
119
compasses ? ?
pass- to pass (??)

• pass (v)
• (n)

??,??? ???,??

• passage (n)

??,????

• passenger (n)

??
120

• passerby (n)

???

• passbook (n)

??

• passport (n)

??

• password (n)

??,??

• bypass (n)

??
121

• compass (n)

???,?? (pl)

• surpass (v)

??,?? (sur over)

• trespass (v)

?? (tres trans across)

• trespasser (n)

???,???
122
perimeter ? ?
peri- around , round about (??)

• periderm (n)

?? (derm skin)

• perimeter (n)

??

• period (n)

?? (od way)

• periodic (adj)

???
123

• periodical (n)

??

• periodicity (n)

???

• periphery (n)

??

• periscope (n)

??(??)? (scope look)

• periwig (n)

??
124
experiment ? ?
-peri to go through (??),to try (??)

• peril (n)

??

• empirical (adj)

????,??? (em en in)

• experience (n)

??,?? (exfully)

• experiment(n)

??
125

• experimental (adj)

???

• expert (n)

??

• expertise (n)

????
126
opportunity ? ?
-port gate (?) , harbour (??)

• port (n)

??,??,??

• portal (n)

??,??

• porter (n)

???

• portico (n)

??,??

• porch (n)

??,??
127

• opportune (adj)

???,??? (?????,????) (op
near)

• opportunism (n)

????

• opportunity (n)

??,??

• passport (n)

??
128
report ? ?
-port to carry (??)

• portable (adj)

???,????

• portage (n)

??

• porter (n)

??,????

• portfolio (n)

??,??? (folio
???)
129

• export (v)
• (n)

?? ???

• import (v)
• (n)

?? ???

• important(adj)

??? (im in)

• importance (n)

???
130

• report (v)

??,??,??

• sport (n)

??disport ??,??

• support (v)

?? (sup up)

• transport (v)

?? (trans across)

• transportation(n)

??
131
composition ? ?,? ?
pos- to put , to place (??)

• pose (n)

??

• posit (v)

??

• position (n)

??,??

• positive (adj)

???,???,???
132

• post (n)

??,??,??

• postage (n)

??

• postal (adj)

???

• posture (n)

??

• compose (v)

??,?? (com together)
133

• composer (n)

???

• composite (adj)

?????

• composition (n)

??,??,??

• decompose (v)

??? (de dis apart)

• suppose (v)

??,?? (sup sub
under)
134

• depose (v)

??

• deposit (n)

?? (de down)

• dispose (v)

?? (dis apart)

• disposable(adj)

?????

• disposal (n)

??
135

• expose (v)

??,?? (ex out)

• exposure (n)

??,??

• impose (v)

??? (im in on)

• oppose (v)

?? (op ob against)

• opposite (adj)

???
136

• opposition (n)

??

• preposition (n)

?? (pre before)

• propose (v)

??,?? (pro before)

• proposal (n)

??

• purpose (n)

??,?? (pur pro
before)
137
principle ? ?
prim- , prin- first (??)

• prime (adj)

???

• prime minister (n)

??

• primer (n)

???

• primitive (adj)

???

• primary (adj)

???
138

• primarily (adv)

???

• primate (n)

???

• prince (n)

??,??

• princess (n)

??,??

• principal (adj)
• (n)

??? ??,??
139

• principle (n)

??,??

• prior (adj)

???

• priority (n)

??

• premier (n)

??
140
proton ? ?
proto- first

• protocol (n)

?? (col glue)

• proton (n)

??

• protium (n)

? (???,????)

• protoplasm (n)

???
141

• protoplast (n)

???

• prototype (n)

??

• protozoa (n)

???? (zo animal)
142
tetrahedron ? ? ?
quadr- , tetra- four (?)

• quadrangle (n)

???

• quadrant (n)

??

• quadratic (adj)

??? (???)

• quadrilateral (n)

???
143

• quadruped (n)

???

• quadruple (adj)

???

• tetragon (n)

??? (gon angle)

• tetrahedron (n)

??? (hedr side)

• tetrahedral(adj)

????
144
rectangle ? ?
rect- right (???),straight(??)

• rectangle (n)

??

• rectify (v)

??

• rectification (n)

??

• rectifier (n)

???,???
145

• rectilinear (adj)

???

• rectitude (n)

??

• rector (n)

????

• rectum (n)

??

• correct (v)

?? (cor with)
146

• direct (v)

??,?? (di apart)

• direction (n)

??

• director (n)

??

• directory (n)

??

• erect (v)

?? (e up)
147
salt ?
sal- salt (?)

• salad (n)

?? (salted herb)

• salary (n)

?? (salt money)

• sale (n)

??

• saline (adj)

??

• salinity (n)

??
148

• salt (n)

?
??

• salty (adj)

• desalt (v)

??

• desalination (n)

????,????

• sauce (n)

???

• sausage (n)

??
149
saturate ? ?
sat- full (???)

• sate (v)

???

• satiable (adj)

?????

• satisfy (v)

??

• satisfaction (n)

??
150

• satisfactory (adj)

???

• saturate (v)

??

• saturated (adj)

???

• saturation (n)

????
151
solution ? ?,? ?
solu- , solv- to loosen (??)

• solubility (n)

???

• soluble (adj)

????,????

• solute (n)

??

• solution (n)

??,??

• solve (v)

??,??
152

• solvency (n)

????

• solvent (n)

??

• solvable (adj)

????

• absolve (v)

?? (ab away)

• absolute (adj)

????,???

• dissolve (v)

??,?? (dis apart)
153

• dissolution (n)

??,??

• insoluble (adj)

????? (in not)

• insolvable (adj)

?????

• insolvency (n)

??

• resolve (v)

?? (re again)

• resolution (v)

??
154
distillation ? ? ? ?
still- to drop (?)

• distill (v)

??,?? (dis apart)

• distillate (n)

???

• distillation (n)

????

• distiller (n)

???
155

• distillery (n)

??

• instill (v)

??,??

• instillation (n)

??,???
156
structure ? ?
stru- , struct- to build (??)

• structure (n)

??

• structural (adj)

????

• construct (v)

?? (con together)

• construction (n)

???
157
????

• constructive (adj)

??

• reconstruct (v)

?? (de down)

• destroy (v)

• destruct (v)

??

• destructive (adj)

????
158

• instruct (v)

?? (in into)

• instructor (n)

??

• instrument (n)

??,??

• obstruct (v)

?? (ob against)

• obstruction (n)

???
159
tangent ? ?
tang- , tact- to touch (??)

• tangent (n)

??,???

• tangible (adj)

????,???

• tangle (v)

??

• tango (n)

??? (??????)

• tact (n)

??
160

• tactful (adj)

???

• tactics (n)

??,??

• tactile (adj)

????

• contact (n)

?? (co together)

• intact (adj)

????? (in not)

• intangible (adj)

???
161
temperature ? ?
temper- to moderate (??)

• temper (n)
• (v)

??,?? ??,??

• temperament (n)

??

• temperance (n)

??

• temperate (adj)

???,???

• temperature (n)

??
162
temporary ? ? ?
tempor- time (??)

• tempo (n)

??

• temporal (adj)

???,???

• temporary (adj)

???

• contemporary(adj)

???,???(con
together)

• temporize (v)

??
163

• tempest (n)

???

• tense (n)

??

• time (n)

??

• tide (n)

??,??

• tidy (adj)

???,???
164
tripod ? ? ?
tri- three (?)
???

• triad (n)

• triangle (n)

???

• triangular (adj)

????

• tribe (n)

??
165

• tricar (n)

????

• trichord (n)

???

• tricycle (n)

????

• trigonometry (n)

??? (gono angle)

• trilateral (adj)

??? (lateral side)
166

• trinity (n)

????

• triode (n)

???

• triple (adj)

???

• tripod (n)

???
167
unit ? ?
uni- one (?)

• unicorn (n)

??? (corn horn)

• uniform (n)

??

• uniformity (n)

??

• unify (v)

??
168

• unification (n)

??,??

• unilateral (adj)

??? (lateral side)

• union (n)

??,??

• unique (adj)

???

• unit (n)

??
169

• unite (v)

??

• unity (n)

??

• universe (n)

??

• universal (adj)

???????

• university (n)

??
170
covalent ? ? ?
val- , vail- worth (??),strong (??)

• valence (n)

???,???

• covalent (adj)

??? (co together)

• valiant (adj)

???

• valid (adj)

???

• validate (v)

??
171

• validity (n)

???

• value (n)

??

• valuable (adj)

????

• available (adj)

??? (a to)

• evaluate (v)

?? (e out)
172

• equivalent (adj)

??? (equi equal)

• invalid (adj)

??? (in not)

• invaluable (adj)

???

• prevail (v)

?? (pre before)

• prevailing (adj)

???,???