n.
Pronunciation: b ī - ' n ō -m ē - ə l
Function: noun
Etymology: New Latin binomium, from Medieval Latin, neuter of binomius having two names, alteration of Latin binominis, from bi- + nomin-, nomen name ― more at NAME
Date: 1557
1 : a mathematical expression consisting of two terms connected by a plus sign or minus sign
2 : a biological species name consisting of two terms
– binomial adjective
– bi · no · mi · al · ly \ -m ē - ə -l ē \ adverb