What does quadrature mean?

Definitions for quadrature
ˈkwɒd rə tʃər, -ˌtʃʊərquad·ra·ture

This dictionary definitions page includes all the possible meanings, example usage and translations of the word quadrature.

Princeton's WordNet

  1. quadraturenoun

    the construction of a square having the same area as some other figure


  1. quadraturenoun

    the process of making something square; squaring

  2. quadraturenoun

    a situation in which three celestial bodies form a right-angled triangle, the observer being located at the right angle

    When the Moon is in quadrature, it appears in the sky as a half-moon.

  3. quadraturenoun

    the condition in which the phase angle between two alternating quantities is 90°

  4. quadraturenoun

    A painting painted on a wooden panel

  5. Etymology: From quadratura.

Samuel Johnson's Dictionary

  1. Quadraturenoun

    Etymology: quadrature, Fr. quadratura, Latin.

    The speculations of algebra, the doctrine of infinites, and the quadrature of curves should not intrench upon our studies of morality. Isaac Watts, Improvement of the Mind.

    It is full moon, when the earth being between the sun and moon, we see all the enlightened part of the moon; new moon, when the moon being between us and the sun, its enlightened part is turned from us; and half moon, when the moon being in the quadratures, we see but half the enlightened part. John Locke.

    All things parted by th’ empyreal bounds,
    His quadrature from thy orbicular world. John Milton.


  1. quadrature

    Quadrature is a mathematical term referring to the process of determining the area under a curve, or more generally, finding a definite integral. This term is often used in numerical integration and is particularly associated with approximating the value of an integral using finite processes. In classical antiquity, it also referred to the geometric problem of squaring the circle.

Webster Dictionary

  1. Quadratureadjective

    the act of squaring; the finding of a square having the same area as some given curvilinear figure; as, the quadrature of a circle; the operation of finding an expression for the area of a figure bounded wholly or in part by a curved line, as by a curve, two ordinates, and the axis of abscissas

  2. Quadratureadjective

    a quadrate; a square

  3. Quadratureadjective

    the integral used in obtaining the area bounded by a curve; hence, the definite integral of the product of any function of one variable into the differential of that variable

  4. Quadratureadjective

    the position of one heavenly body in respect to another when distant from it 90¡, or a quarter of a circle, as the moon when at an equal distance from the points of conjunction and opposition.

  5. Etymology: [L. quadratura: cf. F. quadrature. See Quadrate, a.]

The Standard Electrical Dictionary

  1. Quadrature

    Waves or periodic motions the angle of lag of one of which, with reference to one in advance of it, is 90°, are said to be in quadrature with each other. [Transcriber's note: If the voltage and current of a power line are in quadrature, the power factor is zero (cos(90°) = 0)  and no real power is delivered to the load.]

Dictionary of Nautical Terms

  1. quadrature

    The moon is said to be in quadrature at the first and last quarter, when her longitude differs 90° from that of the sun.

Matched Categories

How to pronounce quadrature?

How to say quadrature in sign language?


  1. Chaldean Numerology

    The numerical value of quadrature in Chaldean Numerology is: 5

  2. Pythagorean Numerology

    The numerical value of quadrature in Pythagorean Numerology is: 9

Popularity rank by frequency of use


Translations for quadrature

From our Multilingual Translation Dictionary

Get even more translations for quadrature »


Find a translation for the quadrature definition in other languages:

Select another language:

  • - Select -
  • 简体中文 (Chinese - Simplified)
  • 繁體中文 (Chinese - Traditional)
  • Español (Spanish)
  • Esperanto (Esperanto)
  • 日本語 (Japanese)
  • Português (Portuguese)
  • Deutsch (German)
  • العربية (Arabic)
  • Français (French)
  • Русский (Russian)
  • ಕನ್ನಡ (Kannada)
  • 한국어 (Korean)
  • עברית (Hebrew)
  • Gaeilge (Irish)
  • Українська (Ukrainian)
  • اردو (Urdu)
  • Magyar (Hungarian)
  • मानक हिन्दी (Hindi)
  • Indonesia (Indonesian)
  • Italiano (Italian)
  • தமிழ் (Tamil)
  • Türkçe (Turkish)
  • తెలుగు (Telugu)
  • ภาษาไทย (Thai)
  • Tiếng Việt (Vietnamese)
  • Čeština (Czech)
  • Polski (Polish)
  • Bahasa Indonesia (Indonesian)
  • Românește (Romanian)
  • Nederlands (Dutch)
  • Ελληνικά (Greek)
  • Latinum (Latin)
  • Svenska (Swedish)
  • Dansk (Danish)
  • Suomi (Finnish)
  • فارسی (Persian)
  • ייִדיש (Yiddish)
  • հայերեն (Armenian)
  • Norsk (Norwegian)
  • English (English)

Word of the Day

Would you like us to send you a FREE new word definition delivered to your inbox daily?

Please enter your email address:


Use the citation below to add this definition to your bibliography:


"quadrature." Definitions.net. STANDS4 LLC, 2023. Web. 2 Dec. 2023. <https://www.definitions.net/definition/quadrature>.

Discuss these quadrature definitions with the community:


    Are we missing a good definition for quadrature? Don't keep it to yourself...

    Free, no signup required:

    Add to Chrome

    Get instant definitions for any word that hits you anywhere on the web!

    Free, no signup required:

    Add to Firefox

    Get instant definitions for any word that hits you anywhere on the web!

    Browse Definitions.net


    Are you a words master?

    a deceitful and unreliable scoundrel
    • A. substitute
    • B. rogue
    • C. model
    • D. confectionery

    Nearby & related entries:

    Alternative searches for quadrature: