IPA: /lɛkˈsɪkəlaɪˌzeɪʃən/
KK: /lɛkˈsɪkəlɪzeɪʃən/
The process of turning a phrase or idea into a single word or expression that has a specific meaning.
The lexicalization of the phrase 'to take a picture' into the single word 'photograph' shows how language evolves.
Lexicalization → It is formed from "lexis" (from Greek λέξις, meaning word or speech) and "-ization" (a suffix used to form nouns indicating a process). The word "lexicalization" refers to the process of turning something into a word or phrase, thus making it part of the vocabulary.
Think of 'lexis' meaning 'word' and remember that 'lexicalization' is the process of making something a word.