Definition of quantity. Meaning of quantity. Synonyms of quantity

Here you will find one or more explanations in English for the word quantity. Also in the bottom left of the page several parts of wikipedia pages related to the word quantity and, of course, quantity synonyms and on the right images related to the word quantity.

Definition of quantity

Quantity
Quantity Quan"ti*ty, v. t. [L. quantus now much + -fy.] To modify or qualify with respect to quantity; to fix or express the quantity of; to rate.
Quantity
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.
quantity
Imaginary Im*ag"i*na*ry, a. [L. imaginarius: cf. F. imaginaire.] Existing only in imagination or fancy; not real; fancied; visionary; ideal. Wilt thou add to all the griefs I suffer Imaginary ills and fancied tortures? --Addison. Imaginary calculus See under Calculus. Imaginary expression or quantity (Alg.), an algebraic expression which involves the impossible operation of taking the square root of a negative quantity; as, [root]-9, a + b [root]-1. Imaginary points, lines, surfaces, etc. (Geom.), points, lines, surfaces, etc., imagined to exist, although by reason of certain changes of a figure they have in fact ceased to have a real existence. Syn: Ideal; fanciful; chimerical; visionary; fancied; unreal; illusive.

Meaning of quantity from wikipedia

- Quantity or amount is a property that can exist as a multitude or magnitude, which illustrate discontinuity and continuity. Quantities can be compared...
- Qualified professional quantity surveyors can be known as Chartered Surveyors (Members and Fellows of RICS) in the UK and Certified Quantity Surveyors (a designation...
- Dimensionless quantities, or quantities of dimension one, are quantities implicitly defined in a manner that prevents their aggregation into units of measurement...
- A conserved quantity is a property or value that remains constant over time in a system even when changes occur in the system. In mathematics, a conserved...
- analysis of the relationships between different physical quantities by identifying their base quantities (such as length, m****, time, and electric current)...
- A physical quantity (or simply quantity) is a property of a material or system that can be quantified by measurement. A physical quantity can be expressed...
- In economics, quantity adjustment is the process by which a market surplus leads to a cut-back in the quantity supplied or a market shortage causes an...
- Photographic quantity (also known as photoquantity) is a measure of the amount of light received by a sensor, such as a camera, in dimensionless units...
- The quantity theory of money (often abbreviated QTM) is a hypothesis within monetary economics which states that the general price level of goods and services...
- System of Quantities (ISQ) is a standard system of quantities used in physics and in modern science in general. It includes basic quantities such as length...