/ ˌfreɪziˈɒlədʒi; NAmE -ˈɑːlə-/ noun
[ U ] ( formal ) the particular way in which words and phrases are arranged when saying or writing sth
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WORD ORIGIN
mid 17th cent.: from modern Latin phraseologia , from Greek phraseōn , genitive plural of phrasis a phrase + -logia (see -logy ).