Definition of Unknown quantities. Meaning of Unknown quantities. Synonyms of Unknown quantities

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Definition of Unknown quantities

Unknown quantities
Quantity Quan"ti*ty, n.; pl. Quantities. [F. quantite, L. quantitas, fr. quantus bow great, how much, akin to quam bow, E. how, who. See Who.] 1. The attribute of being so much, and not more or less; the property of being measurable, or capable of increase and decrease, multiplication and division; greatness; and more concretely, that which answers the question ``How much?'; measure in regard to bulk or amount; determinate or comparative dimensions; measure; amount; bulk; extent; size. Hence, in specific uses: (a) (Logic) The extent or extension of a general conception, that is, the number of species or individuals to which it may be applied; also, its content or comprehension, that is, the number of its constituent qualities, attributes, or relations. (b) (Gram.) The measure of a syllable; that which determines the time in which it is pronounced; as, the long or short quantity of a vowel or syllable. (c) (Mus.) The relative duration of a tone. 2. That which can be increased, diminished, or measured; especially (Math.), anything to which mathematical processes are applicable. Note: Quantity is discrete when it is applied to separate objects, as in number; continuous, when the parts are connected, either in succession, as in time, motion, etc., or in extension, as by the dimensions of space, viz., length, breadth, and thickness. 3. A determinate or estimated amount; a sum or bulk; a certain portion or part; sometimes, a considerable amount; a large portion, bulk, or sum; as, a medicine taken in quantities, that is, in large quantities. The quantity of extensive and curious information which he had picked up during many months of desultory, but not unprofitable, study. --Macaulay. Quantity of estate (Law), its time of continuance, or degree of interest, as in fee, for life, or for years. --Wharton (Law Dict. ) Quantity of matter, in a body, its mass, as determined by its weight, or by its momentum under a given velocity. Quantity of motion (Mech.), in a body, the relative amount of its motion, as measured by its momentum, varying as the product of mass and velocity. Known quantities (Math.), quantities whose values are given. Unknown quantities (Math.), quantities whose values are sought.

Meaning of Unknown quantities from wikipedia

- The Unknown Quantity may refer to: The Unknown Quantity (novel), a 1953 mystery novel by Mignon G. Eberhart The Unknown Quantity, a short story by O. Henry...
- {\displaystyle n} unknowns: If the sum of n {\displaystyle n} quantities be given, and also the sum of every pair containing a particular quantity, then this...
- addition to regular numbers. Variables are symbols for unspecified or unknown quantities. They make it possible to state relationships for which one does not...
- The Unknown Quantity is a mystery novel by Mignon G. Eberhart published by Random House in 1953 and was issued in the UK by Collins Crime Club that same...
- equations by the substitution of new quantities having a certain connection with the primitive unknown quantities. Another of his works, Recensio canonica...
- George Ranken (4 January 1828 – 28 February 1856) was a British soldier and author. A major in the Royal Engineers, he was known for his service in the...
- Diophantus solved problems involving several unknown numbers by skillfully expressing all unknown quantities, where possible, in terms of only one of them...
- our notation but without the bar. Multiplication, evolution, and unknown quantities were represented by abbreviations of appropriate terms. The extent...
- that any equation in two unknown quantities determines a curve. In fact, the general concept of an equation in unknown quantities was alien to Gr**** thought...
- the errors in estimates of known quantities to reduce the error of an estimate of an unknown quantity. Let the unknown parameter of interest be μ {\displaystyle...