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A lexicon (plural: lexicons, rarely lexica) is the vocabulary of a language or branch of knowledge (such as nautical or medical). In linguistics , a lexicon is a language's inventory of lexemes . The word lexicon derives from Greek word λεξικόν ( lexikon ), neuter of λεξικός ( lexikos ) meaning 'of or for words'.
Lexical tokenization is conversion of a text into (semantically or syntactically) meaningful lexical tokens belonging to categories defined by a "lexer" program. In case of a natural language, those categories include nouns, verbs, adjectives, punctuations etc.
Lexical semantics (also known as lexicosemantics), as a subfield of linguistic semantics, is the study of word meanings. [1] [2] It includes the study of how words structure their meaning, how they act in grammar and compositionality, [1] and the relationships between the distinct senses and uses of a word.
In linguistics, lexical similarity is a measure of the degree to which the word sets of two given languages are similar. A lexical similarity of 1 (or 100%) would mean a total overlap between vocabularies, whereas 0 means there are no common words.
Lexicon or lexica may also refer to: Reference works. A dictionary; An encyclopedic dictionary; A word list;
In computer science, a lexical grammar or lexical structure is a formal grammar defining the syntax of tokens.The program is written using characters that are defined by the lexical structure of the language used.
From the plural form: This is a redirect from a plural noun to its singular form.. This redirect link is used for convenience; it is often preferable to add the plural directly after the link (for example, [[link]]s).
Lexical corpus or lexis, a complete set of all words in a language; Lexical item, a basic unit of lexicographical classification; Lexicon, the vocabulary of a person, language, or branch of knowledge