D defs.my
Entry 3 senses Webster, 1913

Nomenclature

/nōm'-ən-klāchˌ-ẽr/ · No·men·cla·ture · IPA /ˈnoʊmənˌkleɪt͡ʃɚ/
01 n. A name.
  1. 1.
    A name.[Obs.]
  2. 2.
    A vocabulary, dictionary, or glossary.[R.]
  3. 3.
    The technical names used in any particular branch of science or art, or by any school or individual; as, the nomenclature of botany or of chemistry; the nomenclature of Lavoisier and his associates.