The lexicon of a language (or field of study) is its complete vocabulary.
Lexicon or lexica may also refer to:
Reference works A dictionary An encyclopedic dictionary A word list The late tenth-century Sudaoft cited as "" or "Souidas's Lexicon"
Arts and entertainment Fiction Lexicon (novel), a 2013 sci-fi novel by Max Barry The Harry Potter Lexicon, a literary fan website (called "the Lexicon" by users) Lexicon, the home planet of WordGirl, star of an educational TV show
Gaming Lexicon Gaming Convention, an event for board games held in Lexington, Kentucky, US Lexicon (card game), a 1932 card game from Waddingtons A list of acceptable Scrabble words The Lexicon (Atlantis), 1985 role-playing game supplement
Music Lexicon (Will Young album), 2019 Lexicon (Isyana Sarasvati album), 2019 Lex Icon, a stage name used by Norwegian black metal musician Stian Arnesen (or Nagash) "Lexicon", by Neurosis from Enemy of the Sun, 1993
Buildings DLR Lexicon, Dún Laoghaire, Ireland Lexicon Tower, a tower block in London, England
Businesses Lexicon (company), an audio equipment manufacturer Lexicon Pharmaceuticals, a biopharmaceutical company
Computing Lexicon (program), a text editor and word processor Lexicon (typeface), a typeface designed by Bram de Does
Mathematics Lexicon (mathematics), a real number that is disjunctive to every base
See also Lexical (disambiguation) Lexicography, the art of compiling dictionaries or the study of the lexicon Lexicology, the scientific study of individual words Lexis (disambiguation), a noun with similar meanings