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[lek-seem] /ˈlɛk sim/
noun, Linguistics
a lexical unit in a language, as a word or base; vocabulary item.
Origin of lexeme
1935-40; lex(ical) or lex(icon) + -eme Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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British Dictionary definitions for lexeme


(linguistics) a minimal meaningful unit of language, the meaning of which cannot be understood from that of its component morphemes. Take off (in the senses to mimic, to become airborne, etc) is a lexeme, as well as the independent morphemes take and off
Word Origin
C20: from lex(icon) + -eme
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Word Origin and History for lexeme

1937, from lexicon + -eme, ending abstracted from morpheme. Related: Lexemic.

Online Etymology Dictionary, © 2010 Douglas Harper
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lexeme in Technology

A minimal lexical unit of a language. Lexical analysis converts strings in a language into a list of lexemes. For a programming language these word-like pieces would include keywords, identifiers, literals and punctutation. The lexemes are then passed to the parser for syntactic analysis.

The Free On-line Dictionary of Computing, © Denis Howe 2010
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