neoterism

[nee-ot-uh-riz-uhm]
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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