Definition of Quantum

1. Noun. A discrete amount of something that is analogous to the quantities in quantum theory.

Generic synonyms: Quantity
Derivative terms: Quantal

2. Noun. (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory).
Generic synonyms: Amount, Measure, Quantity
Category relationships: Natural Philosophy, Physics
Specialized synonyms: Quasiparticle
Derivative terms: Quantal

Definition of Quantum

1. n. Quantity; amount.

Definition of Quantum

1. Noun. (context: now chiefly South Asia) The total amount of something; quantity. (defdate from 17th c.) ¹

2. Noun. The amount or quantity observably present, or available. (defdate from 18th c.) ¹

3. Noun. (physics) The smallest possible, and therefore indivisible, unit of a given quantity or quantifiable phenomenon. (defdate from 20th c.) ¹

4. Adjective. Of a change, sudden or discrete, without intermediate stages. ¹

5. Adjective. (informal) Of a change, significant. ¹

6. Adjective. (physics) Involving quanta ¹

7. Adjective. (comptheory) Relating to a quantum computer ¹

¹ Source:

Definition of Quantum

1. a fundamental unit of energy [n -TA]

Medical Definition of Quantum

1. The fundamental unit of electromagnetic energy. (09 Oct 1997)

Lexicographical Neighbors of Quantum

quantized electronic structure
quantized vortex
quantum (current term)
quantum Hall effect
quantum Hall effects
quantum acoustics
quantum anomaly
quantum biophysics
quantum cascade laser
quantum cascade lasers
quantum chemistry
quantum chromodynamics
quantum computer
quantum computers

Literary usage of Quantum

Below you will find example usage of this term as found in modern and/or classical literature:

1. Principles of the English Law of Contract and of Agency in Its Relation to by William Reynell Anson (1906)
"Where A had done a part, though not all that he was A quantum bound to do under a special contract, and X committed a""n"' breach which amounted to a ..."

2. Journal of the American Chemical Society by American Chemical Society (1879)
"Although no direct quantitative information concerning the polymer is available, the fact that the quantum yields for volatile products decrease at very low ..."

3. South Eastern Reporter by West Virginia Supreme Court of Appeals, West Publishing Company, South Carolina Supreme Court (1911)
"The error of the court as to the quantum of proof Is to be found In the defendant's third prayer for Instructions, which was given to the Jury. ..."

4. The Origin of Spectra by Paul Darwin Foote, Fred Loomis Mohler (1922)
"Chapter I The quantum Theory of Spectroscopy The quantum theory of spectra has ... In spite of suc h inconsistency the quantum theory of spectra is the only ..."

5. An Introduction to the Principles of Morals and Legislation by Jeremy Bentham (1879)
"lity.what. . quantum given force, is what we term the degree or quantum of his sensibility. This may be either general, referring to the sum of the causes ..."

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