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The symbol, quantity, or thing upon which a mathematical operation is performed; -- called also faciend.

; orderly; regular; methodical. "A life blissful and ordinate." Chaucer. Ordinate figure (Math.), a figure whose sides and angles are equal; a regular figure.

ixed during contraction; -- in contradistinction to insertion. Origin of coördinate axes (Math.), the point where the axes intersect. See Note under Ordinate.

The care and support of orphans. [R.] Cotton Mather (1711).

Showing; exhibiting. Ostensive demonstration (Math.), a direct or positive demonstration, as opposed to the apagogical or indirect method.

To rob on foot. [Obs.] Cotton Mather.

Deviating from circularity; changing the distance from a center. Paracentric curve (Math.), a curve having the property that, when its plane is placed vertically, a body descending along it, by the force of gravity, will approach to, or recede from, a fixed point or center, by equal distances in equal times; -- called…

A score. Partition of numbers (Math.), the resolution of integers into parts subject to given conditions. Brande & C.

to the square ABCD inclosed by the chords of the four quadrants. [Written also pelicoid.] Math. Dict.

ich treats of unprepared medicines or simples; -- called also pharmacography, and pharmacomathy.

ctual. Success goes invariably with a certain plus or positive power. Emerson. Plus sign (Math.), the sign (+) which denotes addition, or a positive quantity.

a dial whose plane is parallel to a great circle passing through the poles of the earth. Math. Dict. -- Polar distance, the angular distance of any point on a sphere from one of its poles, particularly of a heavenly body from the north pole of the heavens. -- Polar equation of a line or surface, an equation which ex…

he sign plus [+]. -- Positive rotation (Mech.), left-handed rotation. -- Positive sign (Math.), the sign [+] denoting plus, or more, or addition.

Practicing tricks; juggling. [Obs.] Cotton Mather.

A mathematical point; -- regularly used in old English translations of Euclid.

Marked or distinguished by a mark (') called a prime mark. Prime and ultimate ratio. (Math.). See Ultimate. -- Prime conductor. (Elec.) See under Conductor. -- Prime factor (Arith.), a factor which is a prime number. -- Prime figure (Geom.), a figure which can not be divided into any other figure more simple than it…

t students, in a particular branch of learning; as a professor of theology, of botany, of mathematics, or of political economy.

e, or branch of learning; an expert; an adept; as, proficient in a trade; a proficient in mathematics, music, etc.

vision of morphology created by Haeckel. It is essentially stereometric, and relates to a mathematical conception of organic forms. See Tectology.

Relating to, or securing, proportion. Hutton. 3. (Math.) Constituting a proportion; having the same, or a constant, ratio; as, proportional quantities; momentum is proportional to quantity of matter. Proportional logarithms, logistic logarithms. See under Logistic. -- Proportional scale, a scale on which are marked pa…