Definition of binomial noun from the Oxford Advanced Learner's Dictionary



    BrE BrE//baɪˈnəʊmiəl//
    ; NAmE NAmE//baɪˈnoʊmiəl//
    Linguistic devices
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  1. 1(mathematics) an expression that has two groups of numbers or letters, joined by the sign + or −
  2. 2(linguistics) a pair of nouns joined by a word like ‘and’, where the order of the nouns is always the same, for example ‘knife and fork’ See related entries: Linguistic devices
  3. Word Originmid 16th cent.: from French binôme or modern Latin binomium (from bi- ‘having two’ + Greek nomos ‘part, portion’) + -al.

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