COMPOUND NOUNS AND ADJECTIVES

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• What's a Compound Adjective?
• A single adjective made up of two or more words
  is called a compound adjective. The words in a
  compound adjective can be linked together by a
  hyphen (or hyphens) to show they are part of the
  same adjective.In the UK, your readers will
  expect you to use hyphens in compound
  adjectives.Americans are more lenient. The US
  ruling is Use a hyphen if it eliminates
  ambiguity or helps your reader, else don't
  bother. If you're unsure, use hyphens. You won't
  be marked down for using hyphens. Read more at
  http//www.grammar-monster.com/lessons/hyphens_in_
  compound_adjectives.htmGhd7OhDOlhRMVFIW.99

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Hyphens Used in Compound Nouns

• http//www.grammar-monster.com/punctuation/using_h
  yphens.htm
• A single noun made up of two or more words is
  called a compound noun (e.g., ice axe,
  water-bottle, inkwell). The big question with a
  compound noun is whether to leave it as two words
  (e.g., ice axe), to put a hyphen between the
  words (e.g., water-bottle), or to create a new
  word (e.g., inkwell).
• Unfortunately, there is no simple rule for this.
  You have to know how to spell the word.
  Occasionally, more than one version of the word
  is acceptable (e.g., paper clip, paper-clip, and
  paperclip are all acceptable).

3
The Hyphen Might Be Essential

• Sometimes a hyphen is essential to avoid
  ambiguity. Look at these examples a
  heavy-metal detector
• a heavy metal detector Then putting heavy
  metal detector would be wrong in the UK and the
  US.

detects heavy metals.
detects metal, and it is heavy.
4
Compound Adjectives with Numbers

• The easiest compound adjectives to spot are the
  ones which include numbers.ExamplesTwo-seater
  aircraft 4-bedroom house

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Compound nouns and adjectives
NOUNS ADJECTIVES
HOMEWORK HOME-MADE
HOMETOWN HOMESICK
HOME PAGE HOMECOMING
HOMELESS
HOME-GROWN
HOUSEWIFE HOSE-PROUD
HOUSEWORK HOUSE PLANT
HOUSEBOUND
HOUSEWARMING