neoterism

[ nee-ot-uh-riz-uhm ]
/ niˈɒt əˌrɪz əm /

noun

an innovation in language, as a new word, term, or expression.
the use of new words, terms, or expressions.

Origin of neoterism

1870–75; < Greek neōterismós an attempt to change, equivalent to neōter(ízein) to make innovations (see neoterize) + -ismos -ism

SYNONYMS FOR neoterism

1, 2 neologism.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019