[ nə(ʊ)'mɛŋklətʃə ]
■ noun the selecting of names for things in a particular field.
↘a body or system of names.
↘ formal the term or terms applied to someone or something.
Derivatives
nomenclator noun
nomenclatural -'klatʃ(ə)r(ə)l , -klə'tʃʊər(ə)l adjective
Origin
C17: from Fr., from L. nomenclatura , from nomen 'name' + clatura 'calling, summoning' (from calare 'to call').