lexicon

LEK-sih-kon /ˈlɛksɪkən/
nounC1GRESAT
AcademicTechnical

The vocabulary of a person, language, or branch of knowledge.

It's a more formal and scientific way of saying 'vocabulary.' It can also refer to a dictionary of a specific language (like a Greek lexicon).

The story behind the word. From the Greek 'lexikon (biblion),' meaning 'book of words.' It is derived from 'lexis,' which simply means 'word.'

Word relationships

  • vocabulary: Vocabulary is the common term; lexicon is the technical or academic term.

Commonly confused with

  • dictionary: A dictionary is a physical book; a lexicon is the abstract 'bank' of words in a language or mind.

Word family

  • lexical (adjective): Relating to the words or vocabulary of a language.
  • lexicography (noun): The practice of compiling dictionaries.

Collocations

  • mental lexicon
  • personal lexicon
  • medical lexicon

Example sentences

  • "The lexicon of a language is the set of all its words." Linguistic textbook definition.
  • "Terms like 'synergy' and 'bandwidth' have become part of the standard corporate lexicon." Describing a specific field.

Memory hook

Lexicon sounds like 'Lex' (Luthor) and 'Icon.' Imagine Lex Luthor looking at an 'Icon' that contains every word ever spoken. A library of words.

When not to use

Don't use it in casual conversation unless you want to sound very academic.

Fun facts

  • Linguists use the term 'mental lexicon' to describe how the human brain stores and organizes words.

Related words

jargon, linguistics

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