Equation

Pronunciation

• IPA: /ɪˈkweɪʒən/, /ɪˈkweɪʃən/
• Rhymes: -eɪʒən

Alternative forms

• æquation archaic

Origin

From Old French, from Latin aequātiō ("an equalizing").

Full definition of equation

Noun

1. (assertion)(mathematics) An assertion that two expressions are equal, expressed by writing the two expressions separated by an equal sign; from which one is to determine a particular quantity.
2. (astronomy) A small correction to observed values to remove the effects of systematic errors in an observation.

Derived terms

Related terms

• equality
• equational
• identity
• inequation
• inequality