quantum

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quan·tum

 (kwŏn′təm)
n. pl. quan·ta (-tə)
1. Physics
a. The smallest amount of a physical quantity that can exist independently, especially a discrete quantity of electromagnetic radiation.
b. This amount of energy regarded as a unit.
2. A quantity or amount.
3. A specified portion.
4. Something that can be counted or measured.
5. A unit of acetylcholine, released at the synaptic cleft of a neuromuscular junction.
adj.
Relating to or based upon quantum theory.

[Latin, from neuter of quantus, how great; see quantity.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

quantum

(ˈkwɒntəm)
n, pl -ta (-tə)
1. (Atomic Physics) physics
a. the smallest quantity of some physical property, such as energy, that a system can possess according to the quantum theory
b. a particle with such a unit of energy
2. amount or quantity, esp a specific amount
3. (often used with a negative) the least possible amount that can suffice: there is not a quantum of evidence for your accusation.
4. something that can be quantified or measured
5. (modifier) loosely, sudden, spectacular, or vitally important: a quantum improvement.
[C17: from Latin quantus (adj) how much]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

quan•tum

(ˈkwɒn təm)

n., pl. -ta (-tə),
adj. n.
1. quantity or amount: the least quantum of evidence.
2. share; portion.
3. a large quantity.
4.
a. the smallest excitation of a quantized wave or field, as a photon or phonon.
b. the fundamental unit of a quantized physical property, as angular momentum, and the smallest amount by which its magnitude can change.
adj.
5. sudden and significant: a quantum increase in productivity.
[1610–20; Latin quantus how much]
Random House Kernerman Webster's College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.

quan·tum

(kwŏn′təm)
Plural quanta
A unit of energy, especially electromagnetic energy, that is the smallest physical quantity that can exist on its own. A quantum acts both like a particle and like an energy wave. Photons are examples of quanta.
The American Heritage® Student Science Dictionary, Second Edition. Copyright © 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.quantum - a discrete amount of something that is analogous to the quantities in quantum theory
quantity - the concept that something has a magnitude and can be represented in mathematical expressions by a constant or a variable
2.quantum - (physics) the smallest discrete quantity of some physical property that a system can possess (according to quantum theory)
quantity, measure, amount - how much there is or how many there are of something that you can quantify
natural philosophy, physics - the science of matter and energy and their interactions; "his favorite subject was physics"
quasiparticle - a quantum of energy (in a crystal lattice or other system) that has position and momentum and can in some respects be regarded as a particle
Based on WordNet 3.0, Farlex clipart collection. © 2003-2012 Princeton University, Farlex Inc.

quantum

noun
1. That which is allotted:
Informal: cut.
Slang: divvy.
2. A measurable whole:
The American Heritage® Roget's Thesaurus. Copyright © 2013, 2014 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Translations
quàntum
kvanttimäärämäärällinenmerkittäväsuuri
kvantummennyiség
量子
ilośćkwantkwantowakwantowekwantowy
quantum

quantum

[ˈkwɒntəm]
A. N (quanta (pl)) → cuanto m, quantum m
B. CPD quantum leap Nsalto m espectacular
quantum mechanics NSINGmecánica f cuántica
quantum number Nnúmero m cuántico
quantum physics NSINGfísica f cuántica
quantum theory Nteoría f cuántica
Collins Spanish Dictionary - Complete and Unabridged 8th Edition 2005 © William Collins Sons & Co. Ltd. 1971, 1988 © HarperCollins Publishers 1992, 1993, 1996, 1997, 2000, 2003, 2005

quantum

[ˈkwɒntəm] adj [physics, mechanics] → quantique; [theory] → des quantaquantum leap quantum jump n (fig)bond m en avantquantum mechanics nmécanique f quantique
Collins English/French Electronic Resource. © HarperCollins Publishers 2005

quantum

n pl <quanta> (Phys) → Quant nt; the quality of life cannot be measured as a quantumLebensqualität kann nicht in Zahlen ausgedrückt werden; the quantum of satisfactiondas (Aus)maß an Zufriedenheit

quantum

:
quantum jump, quantum leap
n (Phys) → Quantensprung m; (fig)Riesenschritt m
quantum mechanics
n singQuantenmechanik f
quantum number
nQuantenzahl f
quantum physics
n singQuantenphysik f
quantum theory
Collins German Dictionary – Complete and Unabridged 7th Edition 2005. © William Collins Sons & Co. Ltd. 1980 © HarperCollins Publishers 1991, 1997, 1999, 2004, 2005, 2007

quantum

[ˈkwɒntəm] (Phys)
1. nquanto
2. adj (number) → quantico/a; (mechanics) → quantistico/a
Collins Italian Dictionary 1st Edition © HarperCollins Publishers 1995

quan·tum

n. L. quantum, unidad de energía.
English-Spanish Medical Dictionary © Farlex 2012
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2r: "Accedit rei militaris peritia que quantam tibi gloriam pariat quivis optime potest agnoscere.