lexicon
noun /ˈleksɪkən/
/ˈleksɪkɑːn/
- the lexicon[singular] (linguistics) all the words and phrases used in a particular language or subject; all the words and phrases used and known by a particular person or group of people
- the lexicon of finance and economics
- [countable] a list of words on a particular subject or in a language in alphabetical order
- a lexicon of technical scientific terms
- [countable] a dictionary, especially one of an ancient language, such as Greek or Hebrew
Word Originearly 17th cent.: modern Latin, from Greek lexikon (biblion) ‘(book) of words’, from lexis ‘word’, from legein ‘speak’.