binomial
Concise Oxford English Dictionary © 2008 Oxford University Press:
binomial /bʌɪˈnəʊmɪəl/
▶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).
– origin C16: from Fr. binôme or mod. L. binomium (from bi- ‘having two’ + Gk nomos ‘part, portion’) + -al.
'binomial' also found in these Oxford entries:

