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d also the Law of Dalton, from its discoverer. -- Multiple algebra, a branch of advanced mathematics that treats of operations upon units compounded of two or more unlike units. -- Multiple conjugation (Biol.), a coalescence of many cells (as where an indefinite number of amoeboid cells flow together into a single ma…

osophy (as opposed to the theories of Descartes and others), and, most frequently, to the mathematical theory of universal gravitation. -- Newtonian telescope (Astron.), a reflecting telescope, in which rays from the large speculum are received by a plane mirror placed diagonally in the axis, and near the open end of…

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

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

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.

A mathematical instrument for laying down and measuring angles on paper, used in drawing or in plotting. It is of various forms, semicircular, rectangular, or circular.

.) See Methylene blue, under Methylene. -- Pure chemistry. See under Chemistry. -- Pure mathematics, that portion of mathematics which treats of the principles of the science, or contradistinction to applied mathematics, which treats of the application of the principles to the investigation of other branches of knowl…

of the Pythagorean philosophy is the idea of number, the recognition of the numerical and mathematical relations of things. Encyc. Brit. Pythagorean proposition (Geom.), the theorem that the square described upon the hypothenuse of a plane right-angled triangle is equal to the sum of the squares described upon the othe…

at which can be increased, diminished, or measured; especially (Math.), anything to which mathematical processes are applicable.

ysical; mental. Moral philosophy was his chiefest end; for the rational, the natural, and mathematics . . . were but simple pastimes in comparison of the other. Sir T. North.

a hollow cylinder. This singular phenomenon was first discovered by Sir W. R. Hamilton by mathematical reasoning alone, unaided by experiment. -- Differential refraction (Astron.), the change of the apparent place of one object relative to a second object near it, due to refraction; also, the correction required to be…

To serve as a sign or symbol of; as, mathematical symbols represent quantities or relations; words represent ideas or things.

r operation; consequence or effect; as, the result of a course of action; the result of a mathematical operation. If our proposals once again were heard, We should compel them to a quick result. Milton.

A mathematical instrument, consisting of a slip of wood, ivory, or metal, with one or more sets of spaces graduated and numbered on its surface, for measuring or laying off distances, etc., as in drawing, plotting, and the like. See Gunter's scale.

Any lineal or mathematical diagram; an outline. To draw an exact scheme of Constantinople, or a map of France. South.

A mathematical instrument, consisting of two rulers connected at one end by a joint, each arm marked with several scales, as of equal parts, chords, sines, tangents, etc., one scale of each kind on each arm, and all on lines radiating from the common center of motion. The sector is used for plotting, etc., to any scale…

usually go together; an assortment; a suit; as, a set of chairs, of china, of surgical or mathematical instruments, of books, etc. [In this sense, sometimes incorrectly written sett.]

rn and execute; ability to perceive and perform; expertness; aptitude; as, the skill of a mathematician, physician, surgeon, mechanic, etc. Phocion, . . . by his great wisdom and skill at negotiations, diverted Alexander from the conquest of Athens. Swift. Where patience her sweet skill imparts. Keble.…