quanta

[kwon-tuh]

SEE MORE SYNONYMS FOR quanta ON THESAURUS.COM

noun

plural of quantum.

quantum

[kwon-tuh m]

noun, plural quan·ta [kwon-tuh] /ˈkwɒn tə/.

quantity or amount: the least quantum of evidence.

a particular amount.

a share or portion.

a large quantity; bulk.

Physics.

the smallest quantity of radiant energy, equal to Planck's constant times the frequency of the associated radiation.
the fundamental unit of a quantized physical magnitude, as angular momentum.

adjective

sudden and significant: a quantum increase in productivity.

Origin of quantum

1610–20; noun use of neuter of Latin quantus how much

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Related Words for quanta

sum, amount, portion, measure, total, unit

Examples from the Web for quanta

Historical Examples of quanta

These are the axioms which properly relate only to quantities (quanta) as such.
The Critique of Pure Reason
Immanuel Kant
From this point of view the quanta appear as atoms of energy.
A Librarian's Open Shelf
Arthur E. Bostwick
As Poincaré now points out, the trouble is that the quanta are not constant.
A Librarian's Open Shelf
Arthur E. Bostwick
Hunc igitur laborem nostrum ut tam Gratis animis accipiatis, quanta sedulitate a nobis est obitus, ex aequo omnes rogatos volo.
Terrestrial and Celestial Globes Vol II
Edward Luther Stevenson
Quanta calcina si fatta di statue e d'altri ornamenti antichi!
Renaissance in Italy, Volume 2 (of 7)
John Addington Symonds

British Dictionary definitions for quanta

quanta

noun

the plural of quantum

quantum

noun plural -ta (-tə)

physics

the smallest quantity of some physical property, such as energy, that a system can possess according to the quantum theory
a particle with such a unit of energy

amount or quantity, esp a specific amount

(often used with a negative) the least possible amount that can sufficethere is not a quantum of evidence for your accusation

something that can be quantified or measured

(modifier) loosely, sudden, spectacular, or vitally importanta quantum improvement

Word Origin for quantum

C17: from Latin quantus (adj) how much

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for quanta

quantum

1610s, "one's share or portion," from Latin quantum (plural quanta) "as much as, so much as; how much? how far? how great an extent?" neuter singular of correlative pronomial adjective quantus "as much" (see quantity). Introduced in physics directly from Latin by Max Planck, 1900; reinforced by Einstein, 1905. Quantum theory is from 1912; quantum mechanics, 1922; quantum jump is first recorded 1954; quantum leap, 1963, often figurative.

quanta in Medicine

quantum

[kwŏn′təm]

n. pl. quan•ta (-tə)

The smallest amount of a physical quantity that can exist independently, especially a discrete quantity of electromagnetic radiation.

This amount of energy regarded as a unit.

A quantity or an amount.

quanta in Science

quantum

[kwŏn′təm]

Plural quanta

A discrete, indivisible manifestation of a physical property, such as a force or angular momentum. Some quanta take the form of elementary particles; for example, the quantum of electromagnetic radiation is the photon, while the quanta of the weak force are the W and Z particles. See also quantum state.

quanta in Culture

quanta

[(kwahn-tuh)]

sing. quantum

In physics, discrete bundles in which radiation and other forms of energy occur. For example, in the Bohr atom, light is sent out in quanta called photons. (See quantum mechanics.)