A set of rules used for forming the names or terms in a particular field of arts or sciences. / A set of names or terms. / (obsolete) A name.

plural of nomenclature

Of or pertaining to nomenclature.

In terms of nomenclature.

The conception of language as a nomenclature.

(taxonomy) The scientific system of naming each species of organism with a Latinized name in two parts; the first is the genus, and is written with an initial capital letter; the second is some specific epithet that distinguishes the species within the genus. By convention, the whole name is typeset in italics. The genus part is often abbreviated to its initial letter e.g. H. sapiens for Homo sapiens

The current taxonomic nomenclature in biology, as governed by the ICBN, ICZN and ICNB. This nomenclature accepts the work by Linnaeus as a starting point (except for specified groups and ranks).

The system for naming chemical compounds. There are two systems of chemical nomenclature:

(organic chemistry) A system for naming organic compounds in which a functional group is used either as a prefix or a suffix to the name of a parent compound e.g. trinitrotoluene or benzenesulfonic acid