the stock of words used by or known to a particular people or group of persons

His French vocabulary is rather limited. The scientific vocabulary is constantly growing.

a list or collection of the words or phrases of a language, technical field, etc., usually arranged in alphabetical order and defined

Study the vocabulary in the fourth chapter.

the words of a language.

any collection of signs or symbols constituting a means or system of nonverbal communication

vocabulary of a computer.

any more or less specific group of forms characteristic of an artist, a style of art, architecture, or the like.

noun

cant , dictionary , glossary , jargon , lexicon , palaver , phraseology , terminology , thesaurus , wordbook , word-hoard , words , word-stock , argot , dialect , idiom , lingo , patois , vernacular , diction , language , nomenclature , slang , speech , terms