Compound nouns are words for people, animals, places, things, or ideas, made up of two or more words.
- Most compound nouns are made with nouns hat have been modified by adjectives or other nouns.
- First word describes or modifies the second word.
- The second word usually identifies the item.
- Compound nouns are sometimes one word, like toothpaste, haircut, or bedroom.
- Sometimes compound nouns are connected with a hyphen: dry-cleaning, daughter-in-law, and well-being.
- Sometimes compound nouns appear as two separate words: full moon, Christmas tree, and swimming pool.