Quantity of matter
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}.] [1913 Webster] 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. [1913 Webster]

2. That which can be increased, diminished, or measured; especially (Math.), anything to which mathematical processes are applicable. [1913 Webster]

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. [1913 Webster]

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. [1913 Webster]

The quantity of extensive and curious information which he had picked up during many months of desultory, but not unprofitable, study. --Macaulay. [1913 Webster]

{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. [1913 Webster]

The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

• Quantity of estate — 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}.] [1913 Webster] 1. The attribute of being so much, and not more or less; the property of being… …   The Collaborative International Dictionary of English

• Quantity of motion — 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}.] [1913 Webster] 1. The attribute of being so much, and not more or less; the property of being… …   The Collaborative International Dictionary of English

• 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}.] [1913 Webster] 1. The attribute of being so much, and not more or less; the property of being measurable, or …   The Collaborative International Dictionary of English

• matter — matterful, adj. matterless, adj. /mat euhr/, n. 1. the substance or substances of which any physical object consists or is composed: the matter of which the earth is made. 2. physical or corporeal substance in general, whether solid, liquid, or… …   Universalium

• Matter — • Taking the term in its widest sense, matter signifies that out of which anything is made or composed Catholic Encyclopedia. Kevin Knight. 2006. Matter     Matter      …   Catholic encyclopedia

• Quantity — is a kind of property which exists as magnitude or multitude. It is among the basic classes of things along with quality, substance, change, and relation. Quantity was first introduced as quantum, an entity having quantity. Being a fundamental… …   Wikipedia

• Matter — This article is about the concept in the physical sciences. For other uses, see Matter (disambiguation). Matter is a general term for the substance of which all physical objects consist.[1][2] Typically, matter includes atoms and other particles… …   Wikipedia

• Matter in bar — Bar Bar (b[aum]r), n. [OE. barre, F. barre, fr. LL. barra, W. bar the branch of a tree, bar, baren branch, Gael. & Ir. barra bar. [root]91.] 1. A piece of wood, metal, or other material, long in proportion to its breadth or thickness, used as a… …   The Collaborative International Dictionary of English

• quantity — [14] Latin quantus meant ‘how much’ (it was a compound adjective formed from quī ‘who’). From it was derived the noun quantitās ‘extent, amount’, which passed into English via Old French quantite. Quantum [17], a noun use of the neuter form of… …   The Hutchinson dictionary of word origins

• quantity — [14] Latin quantus meant ‘how much’ (it was a compound adjective formed from quī ‘who’). From it was derived the noun quantitās ‘extent, amount’, which passed into English via Old French quantite. Quantum [17], a noun use of the neuter form of… …   Word origins