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A block of type metal lower than the letters, -- used in spacing and in blank lines. [Abbrev. quad.]

e sides parallel, and four right angles; square. Figures, some round, some triangle, some quadrate. Foxe.

Of or pertaining to a square, or to squares; resembling a quadrate, or square; square.

That branch of algebra which treats of quadratic equations.

Of or pertaining to the quadrate and jugal bones.

A curve made use of in the quadrature of other curves; as the quadratrix, of Dinostratus, or of Tschirnhausen.

g; 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.

th power, or the square of the square. Thus 4x4=16, the square of 4, and 16x16=256, the biquadrate of 4.

Of or pertaining to the biquadrate, or fourth power. Biquadratic equation (Alg.), an equation of the fourth degree, or an equation in some term of which the unknown quantity is raised to the fourth power. -- Biquadratic root of a number, the square root of the square root of that number. Thus the square root of 81 is…

To bring into a square. [R.] Ash.

Of, pertaining to, or representing the pterygoid and quadrate bones or cartilages.

An aspect of the planets when distant from each other the half of a quadrant, or forty-five degrees, or one sign and a half. Hutton.

Nearly or approximately square; almost square.

lank line (Print.), a vacant space of the breadth of a line, on a printed page; a line of quadrats. -- Blank tire (Mech.), a tire without a flange. -- Blank tooling. See Blind tooling, under Blind. -- Blank verse. See under Verse. -- Blank wall, a wall in which there is no opening; a dead wall.

rms; 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.

at phase of the moon in which it appears bisected, or shows only half its disk, as at the quadratures.

s 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.

, by which the equation of the center is diminished at the syzygies, and increased at the quadratures by about 1º 20'.

enly body, as the moon or a planet, when half way between conjunction, or opposition, and quadrature, or distant from another body 45 degrees.

A quadrat.