compound noun
US /ˈkɑːmpaʊnd naʊn/
UK /ˈkɑːmpaʊnd naʊn/

名詞
1.
複合名詞
a noun made up of two or more words, which may be written as one word, as two hyphenated words, or as two separate words
例:
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The word 'sunflower' is a compound noun.
「sunflower」という単語は複合名詞です。
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'High school' is an example of a compound noun written as two separate words.
「high school」は、2つの単語で書かれた複合名詞の例です。
Lingolandでこの単語を学ぶ