Nomenclature
NOMENCLATURE, noun [See Nomenclator.]
1. A list or catalogue of the more usual and important words in a language, with their significations; a vocabulary or dictionary.
2. The names of things in any art or science, or the whole vocabulary of names or technical terms which are appropriated to any particular branch of science; as the nomenclature of botany or of chimistry; the new nomenclature of Lavoisier and his associates.