/ nəˈmenklətʃə(r); NAmE ; NAmE also ˈnoʊmənkleɪtʃər/ noun
[ U , C ] ( formal ) a system of naming things, especially in a branch of science
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WORD ORIGIN
early 17th cent.: from French , from Latin nomenclatura , from nomen name + clatura calling, summoning (from calare to call).