adjective
- The definition of binomial is a name composed of two words.
An example of binomial is the full term of a scientific name, binomial nomenclature.
- Binomial is defined as a math term meaning two expressions connected by a plus or minus sign.
An example of a binomial is x – y.
- A binomial is the two-part scientific name of a plant or animal.
An example of a binomial is Canis familiaris, the scientific name for dog.
binomial
- a mathematical expression consisting of two terms connected by a plus or minus sign
- Taxonomy a two-word scientific name of a plant or animal, indicating genus and species
Origin of binomial
; from Modern Latin binomium ; from Late Latin binomius ; from Classical Latin bi-, bi- + Classical Greek nomos, law (see -nomy) + -al- composed of two terms
- of binomials
binomial
adjective
Consisting of or relating to two names or terms.
noun
- Mathematics A polynomial with two terms.
- Biology A taxonomic name in binomial nomenclature.
Origin of binomial
From New Latin bin&omacron;mius, having two names : bi–^{1} + French nom, name (from Latin n&omacron;men; see nominal).Related Forms:
- bi·no′mi·al·ly
adverb
binomial
Adjective
- Consisting of two terms, or parts.
Noun
(plural binomials)
- (algebra) A polynomial with two terms.
- (algebra) A quantity expressed as the sum or difference of two terms.
- (biology, taxonomy) A scientific name at the rank of species, with two terms: a generic name and a specific name.
Usage notes
- Some people deprecate use of binomial and advocate use only of binominal in taxonomy. See species name for typesetting usage and example.
Origin
See also: binominalFormed from the Late Latin binōmi(us) + the English -al (suffix forming adjectives). Compare binomy and binominal, as well as the French binôme.