Definition (disambiguation)

A definition is a statement of the meaning of a term.

Definition may also refer to:

Science, mathematics and computing

• In computer programming languages, a declaration that reserves memory for a variable or gives the body of a subroutine
• Defining equation (physical chemistry), physico-chemical quantities defined in terms of others, in the form of an equation
• Dynamical system (definition), description of a mathematical model, determined by a system of coupled differential equations
• Circular definition, lexicographic, linguistic and logical aspects
• Mathematics:
  • Intensional definition
  • Elementary definition
  • Algebraic definition
  • Recursive definition
  • Field of definition
  • A continuous function
  • A well-defined function

Music and TV

• High-definition television, a television format with higher resolution
• Definition (album), a 1992 studio album by American crossover thrash band Dirty Rotten Imbeciles
• Definition (TV series), a long-running Canadian game show of the 1970s and 1980s
• Definition (Jersey EP), 2001
• Definition (Diaura EP), 2019
• "Definition" (song), a 1998 song by Black Star
• "Definition", a song by Mabel from About Last Night..., 2022
• "Definitions" (How I Met Your Mother), a 2009 television episode

Other

• #define, a macro in the C programming language
• Defined (album), a 2005 operatic pop album
• Definitions (Plato), a dictionary of about 185 philosophical terms sometimes included in the corpus of Plato's works
• Dogmatic definition, the pronunciation of religious doctrine by a Pope or an ecumenical council