Meaning of lexicon

lex•i•con

Pronunciation: (lek'si-kon", -kun), [key]
— pl. lex•i•ca lex•i•cons.
  1. a wordbook or dictionary, esp. of Greek, Latin, or Hebrew.
  2. the vocabulary of a particular language, field, social class, person, etc.
  3. inventory or record: unparalleled in the lexicon of human relations.
    1. the total inventory of morphemes in a given language.
    2. the inventory of base morphemes plus their combinations with derivational morphemes.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.
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