nomenclature
noun [ C or U ] science specialized uk/nəʊˈmeŋ.klə.tʃər/ us/ˈnoʊ.men.kleɪ.tʃɚ/
（尤指某一科学领域的）命名法
a system for naming things, especially in a particular area of science
(the) nomenclature of organic chemicals 有机化学物的命名法
Synonym: terminology