/ baɪˈnəʊmiəl; NAmE -ˈnoʊ-/ noun
1.
( mathematics ) an expression that has two groups of numbers or letters, joined by the sign + or −
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'
► bi·no·mial adjective
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WORD ORIGIN
mid 16th cent.: from French binôme or modern Latin binomium (from bi- having two + Greek nomos part, portion) + -al .