onomasiology

 
Pronunciation: /ˌɒnə(ʊ)meɪsɪˈɒlədʒi/

noun

[mass noun]
  • the branch of knowledge that deals with terminology, in particular contrasting terms for similar concepts, as in a thesaurus. Compare with semasiology.

Derivatives

onomasiological

adjective

Origin:

early 20th century: from Greek onomasia 'term' + -logy