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Quadrant

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( Xem từ này trên từ điển Anh Việt)

Mục lục

Noun

a quarter of a circle; an arc of 90?.
the area included between such an arc and two radii drawn one to each extremity.
something shaped like a quarter of a circle, as a part of a machine.
Geometry, Astronomy . one of the four parts into which a plane, as the face of a heavenly body, is divided by two perpendicular lines, numbered counterclockwise from upper right
the first quadrant of the moon.
an instrument, usually containing a graduated arc of 90?, used in astronomy, navigation, etc., for measuring altitudes.
Astrology . one of the four quarters of the horoscope
determined by the ascendant, nadir, descendant, and midheaven and numbered counterclockwise from the ascendant.
Furniture . one of two metal sliding pieces, of quadrant form, used to support the fall front of a desk from above.

Xem thêm các từ khác

  • Quadraphonic

    of, noting, or pertaining to the recording and reproduction of sound over four separate transmission or direct reproduction channels instead of the customary...
  • Quadrat

    printing . quad 2 ( def. 1 ) ., ecology . a square or rectangular plot of land marked off for the study of plants and animals.
  • Quadrate

    square or rectangular., zoology . of or pertaining to the quadrate., heraldry . (of a cross) having an enlarged square at the junction of the limbs, a...
  • Quadratic

    square., algebra . involving the square and no higher power of the unknown quantity; of the second degree., a quadratic polynomial or equation.
  • Quadrature

    the act of squaring., mathematics ., astronomy ., electronics . the relation between two signals having the same frequency that differ in phase by 90?.,...
  • Quadrennial

    occurring every four years, of or lasting for four years, an event occurring every four years, as an anniversary or its celebration., a quadrennial festival...
  • Quadric

    of the second degree (said esp. of functions with more than two variables)., a quadric function., a surface such as an ellipsoid or paraboloid as defined...
  • Quadriga

    a two-wheeled chariot drawn by four horses harnessed abreast.
  • Quadrigae

    a two-wheeled chariot drawn by four horses harnessed abreast.
  • Quadrilateral

    having four sides., a plane figure having four sides and four angles., something of this form., geometry ., the space enclosed between and defended by...
  • Quadrille

    a square dance for four couples, consisting of five parts or movements, each complete in itself., the music for such a dance.
  • Quadrillion

    a cardinal number represented in the u.s. by 1 followed by 15 zeros, and in great britain by 1 followed by 24 zeros., amounting to one quadrillion in number.
  • Quadripartite

    divided into or consisting of four parts., involving four participants, a quadripartite treaty .
  • Quadrisyllabic

    a word of four syllables.
  • Quadrisyllable

    a word of four syllables.
  • Quadrivalence

    having a valence of four; tetravalent., exhibiting four different valences, as antimony with valences of 5, 4, 3, and ?3.
  • Quadrivalency

    having a valence of four; tetravalent., exhibiting four different valences, as antimony with valences of 5, 4, 3, and ?3.
  • Quadrivalent

    having a valence of four; tetravalent., exhibiting four different valences, as antimony with valences of 5, 4, 3, and ?3.
  • Quadrivial

    having four ways or roads meeting in a point., (of ways or roads) leading in four directions., of or pertaining to the quadrivium.
  • Quadrivium

    (during the middle ages) the more advanced division of the seven liberal arts, comprising arithmetic, geometry, astronomy, and music.
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