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tr.v. lex·i·cal·ized, lex·i·cal·iz·ing, lex·i·cal·iz·es Linguistics
1. To express using a word or words: a language that lexicalizes the concept of time.
2. To incorporate into a language as a new word: a language that has lexicalized expressions from its dialects.
3. To treat (a phrase, expression, or other group of morphemes) as a single word: The word "pick-me-up<" lexicalizes the phrase "pick me up."
lex′i·cal·iza′tion (-kə-lĭ-zā′shən) n.