nomenclature
noun /nəˈmeŋklətʃə(r)/
/ˈnəʊmənkleɪtʃər/
[uncountable, countable] (formal)- a system of naming things, especially in a branch of science
- zoological nomenclature
Word Originearly 17th cent.: from French, from Latin nomenclatura, from nomen ‘name’ + clatura ‘calling, summoning’ (from calare ‘to call’).