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Vane :: Vane (n.) One of the sights of a compass, quadrant, etc..

Reglet :: Reglet (n.) A strip of wood or metal of the height of a quadrat, used for regulating the space between pages in a chase, and also for spacing out title-pages and other open matter. It is graded to different sizes, and designated by the name of the type that it matches; as, nonpareil reglet, pica reglet, and the like..

Quadrated :: Quadrated (imp. & p. p.) of Quadrat.

Quadrant :: Quadrant (n.) One of the four parts into which a plane is divided by the coordinate axes. The upper right-hand part is the first quadrant; the upper left-hand part the second; the lower left-hand part the third; and the lower right-hand part the fourth quadrant.

Triquadrantal :: Triquadrantal (a.) Having three quadrants; thus, a triquadrantal triangle is one whose three sides are quadrants, and whose three angles are consequently right angles..

Quadrate :: Quadrate (v. t.) To adjust (a gun) on its carriage; also, to train (a gun) for horizontal firing..

Term :: Term (n.) A quadrangular pillar, adorned on the top with the figure of a head, as of a man, woman, or satyr; -- called also terminal figure. See Terminus, n., 2 and 3..

Quadratojugal :: Quadratojugal (n.) The quadratojugal bone.

Quadrable :: Quadrable (a.) That may be sqyared, or reduced to an equivalent square; -- said of a surface when the area limited by a curve can be exactly found, and expressed in a finite number of algebraic terms..

Biquadratic :: Biquadratic (n.) A biquadrate.

Quadratrix :: Quadratrix (n.) A curve made use of in the quadrature of other curves; as the quadratrix, of Dinostratus, or of Tschirnhausen..

Equation :: Equation (n.) An expression of the condition of equality between two algebraic quantities or sets of quantities, the sign = being placed between them; as, a binomial equation; a quadratic equation; an algebraic equation; a transcendental equation; an exponential equation; a logarithmic equation; a differential equation, etc..

Boron :: Boron (n.) A nonmetallic element occurring abundantly in borax. It is reduced with difficulty to the free state, when it can be obtained in several different forms; viz., as a substance of a deep olive color, in a semimetallic form, and in colorless quadratic crystals similar to the diamond in hardness and other properties. It occurs in nature also in boracite, datolite, tourmaline, and some other minerals. Atomic weight 10.9. Symbol B..

Altimeter :: Altimeter (n.) An instrument for taking altitudes, as a quadrant, sextant, etc..

Quadrate :: Quadrate (a.) Produced by multiplying a number by itself; square.

Quadrate :: Quadrate (a.) A plane surface with four equal sides and four right angles; a square; hence, figuratively, anything having the outline of a square..

Sextant :: Sextant (n.) An instrument for measuring angular distances between objects, -- used esp. at sea, for ascertaining the latitude and longitude. It is constructed on the same optical principle as Hadley's quadrant, but usually of metal, with a nicer graduation, telescopic sight, and its arc the sixth, and sometimes the third, part of a circle. See Quadrant..

Quadrate :: Quadrate (a.) An aspect of the heavenly bodies in which they are distant from each other 90¡, or the quarter of a circle; quartile. See the Note under Aspect, 6..

Antimeter :: Antimeter (n.) A modification of the quadrant, for measuring small angles..

Quadrilateral :: Quadrilateral (a.) Having four sides, and consequently four angles; quadrangular..

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