When we put two or more words together to create a new word, we have made a compound noun.
Nouns of more than one word are called compound nouns.
|noun + noun|| police officer|| ice-cream||firefighter
|noun + verb || carwash|| haircut|| milkshake
|verb + noun|| cross-road|| cookbook||jump rope
|adjective + noun|| black eye|| blue jeans|| hotdog
|adverb + noun|| on-looker||downtime|| overtime
|adverb + verb|| input|| output|| upswing
Compound nouns can take three forms: hyphenated, solid and open.
When two or more words are connected by one or more hyphens, the result is a hyphenated compound. Some compound words are hyphenated to avoid being
misread or ambiguous.
Solid compounds are words that are used as a single unit of meaning and it is closed up as solid, or closed, compounds.
Sometimes no hyphenating or closing up is necessary to form a compound. Open compounds are words that are used as a single unit of meaning but are still written separately as two words.
|wet nurse||roller coaster||whatever|
|sleeping bag||first aid ||mug shot|
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