to sort (the words in a list or text) in order to determine the headword, under which other words are then listed.
- Also especially British, lem·ma·tise .
- lem·ma·ti·za·tion, noun
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British Dictionary definitions for lemmatize
(tr) linguistics to group together the inflected forms of (a word) for analysis as a single item
- lemmatization or lemmatisation, noun
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