Definition of arithmetic

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Arithmetic (n.) The science of numbers; the art of computation by figures.

Lern More About Arithmetic

Divide :: Divide (v. t.) To subject to arithmetical division.
Inch :: Inch (n.) A measure of length, the twelfth part of a foot, commonly subdivided into halves, quarters, eights, sixteenths, etc., as among mechanics. It was also formerly divided into twelve parts, called lines, and originally into three parts, called barleycorns, its length supposed to have been determined from three grains of barley placed end to end lengthwise. It is also sometimes called a prime ('), composed of twelve seconds (''), as in the duodecimal system of arithmetic..
Proportion :: Proportion (n.) The rule of three, in arithmetic, in which the three given terms, together with the one sought, are proportional..
Arithmetician :: Arithmetician (n.) One skilled in arithmetic.
Equidifferent :: Equidifferent (a.) Having equal differences; as, the terms of arithmetical progression are equidifferent..
Logistical :: Logistical (a.) Sexagesimal, or made on the scale of 60; as, logistic, or sexagesimal, arithmetic..
Addition :: Addition (n.) That part of arithmetic which treats of adding numbers.
Quadrivium :: Quadrivium (n.) The four liberal arts, arithmetic, music, geometry, and astronomy; -- so called by the schoolmen. See Trivium..
Subduction :: Subduct (v. t.) To subtract by arithmetical operation; to deduct.
Progression :: Progression (n.) Regular or proportional advance in increase or decrease of numbers; continued proportion, arithmetical, geometrical, or harmonic..
Teach :: Teach (v. t.) To impart the knowledge of; to give intelligence concerning; to impart, as knowledge before unknown, or rules for practice; to inculcate as true or important; to exhibit impressively; as, to teach arithmetic, dancing, music, or the like; to teach morals..
Logarithmetic :: Logarithmetic (a.) Alt. of Logarithmetica.
Subdued :: Subduction (n.) Arithmetical subtraction.
Proportion :: Proportion (n.) The equality or similarity of ratios, especially of geometrical ratios; or a relation among quantities such that the quotient of the first divided by the second is equal to that of the third divided by the fourth; -- called also geometrical proportion, in distinction from arithmetical proportion, or that in which the difference of the first and second is equal to the difference of the third and fourth..
Logarithm :: Logarithm (n.) One of a class of auxiliary numbers, devised by John Napier, of Merchiston, Scotland (1550-1617), to abridge arithmetical calculations, by the use of addition and subtraction in place of multiplication and division..
Series :: Series (n.) An indefinite number of terms succeeding one another, each of which is derived from one or more of the preceding by a fixed law, called the law of the series; as, an arithmetical series; a geometrical series..
Logarithmetical :: Logarithmetical (a.) See Logarithmic.
Cipher :: Cipher (v. i.) To use figures in a mathematical process; to do sums in arithmetic.
Average :: Average (n.) A mean proportion, medial sum or quantity, made out of unequal sums or quantities; an arithmetical mean. Thus, if A loses 5 dollars, B 9, and C 16, the sum is 30, and the average 10..
Arithmetic :: Arithmetic (n.) A book containing the principles of this science.
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