binomen

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Binomial nomenclature

Examples (taxonomy)
Homo sapiens Tyrannosaurus rex

Latin bis (“double, twice”) + nōmen (“name”).

binomen (plural binomina)

A name having two parts.
(taxonomy) A scientific name at the rank of species, with two terms: a generic name and a specific name.
Synonyms: binomial, binomial name, binominal, binominal name, species name, dionym
- 2020 March 5, James E. O'Hara et al., Preliminary Checklist of the Tachinidae (Diptera) of the World:
  Each type species is cited in its original binomen (Recommendation 67B of the Code, ICZN 1999α), and if that name is a synonym then it is followed by the valid name of the species in parentheses.

binomen