1
- Mathematics an algebraic expression of the sum or the difference of two terms【数】二项式。
2
- a two-part name, especially the Latin name of a species of living organism (consisting of the genus followed by the specific epithet)（尤指物种拉丁语学名中的）双名。
3
- Grammar a noun phrase with two heads joined by a conjunction, in which the order is relatively fixed (as in knife and fork)【语法】成对词（一种名词短语, 由一连词连接两个关键词, 如knife and fork）。
1
- Mathematics consisting of two terms【数】二项的。
1.1
- of or relating to a binomial or to the binomial theorem二项式的, 二项式定理的。
2
- having or using two names (used especially of the Latin name of a species of living organism)（有）双名的。
词源
mid 16th cent.: from French binôme or modern Latin binomium （from bi- 'having two' + Greek nomos 'part, portion'） + -AL.