Main Entry: on·o·mas·tics

Pronunciation: \-tiks\

Function: noun plural but singular or plural in construction

Date: 1930

1 a : the science or study of the origins and forms of words especially as used in a specialized field b : the science or study of the origin and forms of proper names of persons or places
2 : the system underlying the formation and use of words especially for proper names or of words used in a specialized field

— on·o·mas·ti·cian \ˌä-nə-mas-ˈti-shən\ noun