anti

1
anti-
against
2
antiaircraft
an-ti-air-craft
(adjective) Designed for defense against air
attack.
The antiaircraft weapon was designed to protect
the troops in case of air attack.
3
antibiotic
an-ti-bi-ot-ic
(Noun) A substance that kills germs.

The doctor gave me some penicillin, an
antibiotic, to cure my strep throat.
4
antidote
an-ti-dote
(Noun) A substance that counteracts poison.
After I was bitten by the poisonous snake, the
doctor administered an antidote immediately.
5
antifreeze
an-ti-freeze
(Noun) A substance that prevents liquid from
freezing.
My father always checks the antifreeze in the car
once the weather turns colder.
6
antiseptic
an-ti-sep-tic
(Noun) A substance used to prevent bacteria or
germs that cause decay.
Some people use Listerine, which is an
antiseptic that kills bacteria in your mouth.
7
antisocial
an-ti-so-cial
(Adjective) Withdrawn from, or hostile to, other
people or to social institutions.
That boy sitting in the corner by himself is
antisocial.
8
Test Yourself!
antiaircraft antibiotic antidote antifreeze
antiseptic antisocial
1. A substance that kills germs, bacteria
______________________. 2. A substance that
counteracts poison ______________________. 3.
Designed for defense against air attack
________________________. 4. Withdrawn from, or
hostile to, other people or to social
institutions _____________________________. 5.
A substance that prevents liquid from freezing
____________________. 6. A substance used to
prevent bacteria or germs that cause decay
_____________________.
9
aqua - aque-
water
10
aqualung
aq-ua-lung
(Noun) Breathing equipment for underwater
swimming or diving.
The diver carefully checked her aqualung in
preparation for her forty foot dive to
investigate the wreck.
11
aquamarine
aq-ua-ma-rine
(Noun, Adjective) A bluish sea-green color.
The beautiful aquamarine water of the Caribbean
is very enticing.
12
aquaplane
aq-ua-plane
(Noun) A wide board that is towed by a motorboat,
like a single water ski.
At the water skiing exhibition, I watched a great
stunt performed on an aquaplane.
13
aquarium
a-quar-i-um
(Noun) An artificial pond or tank of water where
live water animals and water plants are kept a
building where such collections are exhibited.
Yesterday we went to the pet store to get some
tropical fish for my salt water aquarium.
14
aquatic
a-quat-ic
(Adjective) Growing or living in water.
Matterhorn Nursery specializes in aquatic plants
for outdoor ponds.
15
aqueduct
aq-ue-duct
(Noun) A channel that carries large amounts of
water.
The aqueduct transported water from the reservoir
upstate to the metropolitan region.
16
Test Yourself!
aqualung aquamarine aquaplane
aquarium aquatic aqueduct
1. A channel that carries large amounts of water
________________. 2. Breathing equipment for
underwater swimming or diving _______________. 3.
Growing or living in water
____________________. 4. A wide board that is
towed by a motorboat, like a single water ski
___________________. 5. An artificial pond or
tank of water where live water animals and water
plants are kept a building where such
collections are exhibited ____________________. 6
. A bluish sea-green color ___________________
___.