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binomial nomenclature n.
The scientific naming of species whereby each species receives a Latin or Latinized name of two parts, the first indicating the genus and the second being the specific name.
|binomial nomenclature |
The scientific system of naming an organism using two terms, the first being the genus and the second the species. The terms are usually Greek or Latin. For example, the scientific name of the narrow-leaf firethorn is Pyracantha angustifolia, where the genus is Greek for "fire thorn" and the species is Latin for "having narrow leaves."