[ on-uh-mas-tiks ]
/ ˌɒn əˈmæs tɪks /

noun (used with a singular verb)

the study of the origin, history, and use of proper names.

Origin of onomastics

First recorded in 1930–35; see origin at onomastic, -ics

Related forms

on·o·mas·ti·cian [on-uh-muh-stish-uh n] /ˌɒn ə məˈstɪʃ ən/, noun
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

British Dictionary definitions for onomastician


/ (ˌɒnəˈmæstɪks) /


(functioning as singular) the study of proper names, esp of their origins
(functioning as singular or plural) a systematization of the facts about how proper names are formed in a given language
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012