Definition of Quantity. Meaning of Quantity. Synonyms of Quantity
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Definition of 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.
QuantityQuantity 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
Unknown quantities (Math.), quantities whose values are
sought. quantityImaginary Im*ag"i*na*ry, a. [L. imaginarius: cf. F.
Existing only in imagination or fancy; not real; fancied;
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;
Meaning of Quantity from wikipedia
is a property
that can exist
as a multitude
or magnitude, which illustrate discontinuity
and continuity. Quantities
can be compared...
- A physical quantity
is a physical property
of a material
that can be quantified
by measurement. A physical quantity
can be expressed
as a value...
- dimensionless quantity
is a quantity
no physical dimension
is ****igned, also known
as a bare, pure, or scalar quantity
or a quantity
- Qualified professional quantity surveyors
as Chartered Surveyors
(Members and Fellows
of RICS) in the UK and Certified Quantity Surveyors
- In statistics, a pivotal quantity
is a function
and unobservable parameters
such that the function's probability
have conserved quantities
, and conserved quantities
are not unique, since
one can always apply
to a conserved quantity
, such as adding
- to IUPAC, an intensive quantity
is one whose magnitude
of the size of the system whereas
an extensive quantity
is one whose magnitude
is an interdisciplinary
double-blind peer-reviewed academic journal dealing
with methodological issues
in the fields
of economics, psychology...
- (physics), a physical quantity
that can be described
by a single element
of a number field
such as a real number Lorentz
scalar, a quantity
in the theory
- In monetary
economics, the quantity theory
QTM) is one of the directions
of Western economic thought
in the 16th-17th...
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