binomial /bʌɪˈnəʊmɪəl/


I. noun

[Mathematics] an algebraic expression of the sum or the difference of two terms.
2. a two-part name, especially the Latin name of a species of living organism (consisting of the genus followed by the specific epithet).
[Grammar] a noun phrase with two heads joined by a conjunction, in which the order is relatively fixed (as in knife and fork).
II. adjective

[Mathematics] consisting of two terms.
2. relating to a binomial or to the binomial theorem.
3. having or using two names (used especially of the Latin name of a species of living organism).
– origin mid 16th cent.: from French binôme or modern Latin binomium (from bi- ‘having two’ + Greek nomos ‘part, portion’) + -al.

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