[ bʌɪ'nəʊmɪəl ]
■ noun
1》 Mathematics an algebraic expression of the sum or the difference of two terms.
2》 the two-part Latin name of a species of living organism (consisting of the genus followed by the specific epithet).
3》 Grammar a noun phrase with two heads joined by a conjunction, in which the order is relatively fixed (as in knife and fork ).
■ adjective consisting of or relating to a ~.
Origin
C16: from Fr. binôme or mod. L. binomium (from bi- 'having two' + Gk nomos 'part, portion') + -al .