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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.
Lexical tokenization is the conversion of a raw text into (semantically or syntactically) meaningful lexical tokens, belonging to categories defined by a "lexer" program, such as identifiers, operators, grouping symbols, and data types. The resulting tokens are then passed on to some other form of processing.
Theory of language. Portal. v. t. e. 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 ...
Lexicology is the branch of linguistics that analyzes the lexicon of a specific language. A word is the smallest meaningful unit of a language that can stand on its own, and is made up of small components called morphemes and even smaller elements known as phonemes, or distinguishing sounds. Lexicology examines every feature of a word ...
Lexical function. A lexical function (LF) is a tool developed within Meaning-Text Theory for the description and systematization of semantic relationships, specifically collocations and lexical derivation, between particular lexical units (LUs) of a language. [1] [note 1] LFs are also used in the construction of technical lexica ( Explanatory ...
Lexical definition. The lexical definition of a term, also known as the dictionary definition, is the definition closely matching the meaning of the term in common usage. As its other name implies, this is the sort of definition one is likely to find in the dictionary. A lexical definition is usually the type expected from a request for ...
Lexical hypothesis. In personality psychology, the lexical hypothesis [1] (also known as the fundamental lexical hypothesis, [2] lexical approach, [3] or sedimentation hypothesis [4]) generally includes two postulates : 1. Those personality characteristics that are important to a group of people will eventually become a part of that group's ...
Lexical item. In lexicography [citation needed], a lexical item is a single word, a part of a word, or a chain of words ( catena) that forms the basic elements of a language's lexicon (≈ vocabulary). [citation needed] Examples are cat, traffic light, take care of, by the way, and it's raining cats and dogs.