equation

See also: équation

English

Alternative forms

• æquation (archaic)

Etymology

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

Pronunciation

• IPA^(key): /ɪˈkweɪʒən/, /ɪˈkweɪʃən/

• Audio (US)

  (file)

• Rhymes: -eɪʒən

Noun

equation (plural equations)

1. The act or process of equating two or more things, or the state of those things being equal (that is, identical).
   • 2013, Eva Illouz, Why Love Hurts: A Sociological Explanation:

     The cultural equation of love with suffering is similar to the equation of love with an experience of both transcendence and consummation in which love is affirmed in an ostentatious display of self loss.

3. (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.
4. (astronomy) A small correction to observed values to remove the effects of systematic errors in an observation.

Derived terms

Derived terms

• algebraic equation
• Arrhenius equation
• chemical equation
• differential equation
• Diophantine equation
• Drake equation
• integral equation
• Kepler's equation
• Lagrange's equations
• linear equation

• Navier-Stokes equation
• parametric equation
• partial differential equation
• Pell's equation
• personal equation
• polynomial equation
• quadratic equation
• Schrödinger's wave equation
• Van der Waals equation
• wave equation

Related terms

• equality
• equational
• identity
• inequation
• inequality

Translations

mathematics: assertion

• Afrikaans: vergelyking
• Arabic: مُعَادَلَة‎‎ (ar) f (muʿādala)
• Armenian: հավասարում (hy) (havasarum)
• Basque: ekuazio
• Belarusian: раўна́нне n (raŭnánnje)
• Bulgarian: уравне́ние n (uravnénie)
• Catalan: equació f
• Chinese:

  Mandarin: 方程式 (zh) (fāngchéngshì), 方程 (zh) (fāngchéng)

• Czech: rovnice (cs) f
• Danish: ligning (da) c
• Dutch: vergelijking (nl)
• Esperanto: ekvacio
• Faroese: líkning f
• Finnish: yhtälö (fi)
• French: équation (fr) f
• Georgian: გასწორება (gasc̣oreba)
• German: Gleichung (de) f
• Greek: εξίσωση (el) f (exísosi)
• Hebrew: משוואה‎‎ (he)
• Hindi: समीकरण (hi) m (samīkaraṇ)
• Hungarian: egyenlet (hu)
• Icelandic: jafna f
• Ido: equaciono (io)
• Indonesian: persamaan (id)
• Irish: cothromóid (ga)
• Italian: equazione (it) f
• Japanese: 方程式 (ja) (ほうていしき, hōteishiki)
• Korean: 방정식 (ko) (bangjeongsik) (方程式 (ko))
• Kurdish:

  Sorani: هاوکێشه‌‎‎ (hawkéshe)

• Latin: aequatio f
• Macedonian: равенка f (ravenka)
• Malay: persamaan
• Malayalam: സമവാക്യം (samavākyaṃ)
• Maori: whārite
• Neapolitan: equazzione f
• Norwegian: likning (no)
• Oromo: qixxaatoo
• Persian: معادله‎‎ (fa) (mo'âdele)
• Polish: równanie (pl) n
• Portuguese: equação (pt) f
• Quechua: paqtachani
• Romanian: ecuație (ro) f
• Russian: уравне́ние (ru) n (uravnénije)
• Serbo-Croatian:

  Cyrillic: (Bosnian, Serbian) једначина f, (Croatian) једнаџба f

  Roman: (Bosnian, Serbian) jednačina (sh) f, (Croatian) jednadžba (sh) f

• Slovak: rovnica f
• Slovene: enačba (sl) f
• Spanish: ecuación (es) f
• Swahili: mlinganyo
• Swedish: ekvation (sv) c
• Tagalog: tumbasan
• Tajik: муодила (tg) (muodila)
• Tamil: சமன்பாடு (ta) (camaṉpāṭu)
• Thai: สมการ (th) (sŏm-má-gaan)
• Turkish: denklem (tr)
• Ukrainian: рівня́ння n (rivnjánnja)
• Urdu: مساوات‎‎ f (musawāt)
• Vietnamese: phương trình (vi) (方程)
• Yiddish: גלייכונג‎‎ (gleykhung)

astronomy: correction

• French: équation (fr) f