different between quantum vs quantal
quantum
English
Etymology
From Late Latin quantum, noun use of neuter form of Latin quantus (“how much”).
Pronunciation
- (Received Pronunciation) IPA(key): /?kw?nt?m/
- (General American) IPA(key): /?kw?nt?m/
- (US, Canada) IPA(key): (enunciated) [?k?w?n.t??m], (common flapped realization) [?kw????m]
- (enunciated)
- (flapped)
Note: in General American, the enunciated form is more common when the word is used on its own; but in connected speech, when it is used as a modifier (as in quantum mechanics), the flapped form is more common.
Noun
quantum (countable and uncountable, plural quanta)
- (now chiefly South Asia) The total amount of something; quantity. [from 17th c.]
- 1749, Henry Fielding, Tom Jones, Folio Society 1973, p. 416:
- The reader will perhaps be curious to know the quantum of this present, but we cannot satisfy his curiosity.
- 1790, Edmund Burke, Reflections on the Revolution in France, Oxford 2009, p. 142:
- A certain quantum of power must always exist in the community, in some hands, and under some appellation.
- 1997, Kiran Nagarkar, Cuckold, HarperCollins 2013, p. 375:
- Otherwise I will have given the lie to my maxim that whether you work eight or twenty hours, the quantum of work that gets done on a normal day is the same.
- 2008, The Times of India, 21 May 2008, [1]:
- The Congress's core ministerial panel on Friday gave its green signal to raising motor fuel prices but the quantum of increase emerged as a hitch.
- 1749, Henry Fielding, Tom Jones, Folio Society 1973, p. 416:
- The amount or quantity observably present, or available. [from 18th c.]
- 1979, John Le Carré, Smiley's People, Folio Society 2010, p. 96:
- Each man has only a quantum of compassion, he argued, and mine is used up for the day.
- 1999, Joyce Crick, translating Sigmund Freud, The Interpretation of Dreams, Oxford 2008, p. 34:
- The dream of flying, according to Strümpell, is the appropriate image used by the psyche to interpret the quantum of stimulus [transl. Reizquantum] proceeding from the rise and fall of the lungs when the cutaneous sensation of the thorax has simultaneously sunk into unconsciousness.
- 1979, John Le Carré, Smiley's People, Folio Society 2010, p. 96:
- (physics) The smallest possible, and therefore indivisible, unit of a given quantity or quantifiable phenomenon. [from 20th c.]
- 2002, David C Cassidy et al., Understanding Physics, Birkhauser 2002, p. 602:
- The quantum of light energy was later called a photon.
- 2002, David C Cassidy et al., Understanding Physics, Birkhauser 2002, p. 602:
- (mathematics) A definite portion of a manifoldness, limited by a mark or by a boundary.
- (Can we find and add a quotation of William Kingdon Clifford to this entry?)
- (law) A brief document provided by the judge, elaborating on a sentencing decision.
- (computing) The amount of time allocated for a thread to perform its work in a multithreaded environment.
- (computing, uncountable) Short for quantum computing.
- Developing for quantum has never been more accessible.
- (medicine) The minimum dose of a pathogen required to cause an infection.
- Synonym: infectious dose
Related terms
- quantize
Translations
Adjective
quantum (not comparable)
- Of a change, sudden or discrete, without intermediate stages.
- (informal) Of a change, significant.
- (physics) Involving quanta, quantum mechanics or other aspects of quantum physics.
- (computing theory) Relating to a quantum computer.
Derived terms
Translations
Further reading
- quantum on Wikipedia.Wikipedia
French
Etymology
From English quantum.
Pronunciation
- IPA(key): /k??.t?m/, /kw??.t?m/
Noun
quantum m (plural quanta)
- (physics) quantum
Further reading
- “quantum” in Trésor de la langue française informatisé (The Digitized Treasury of the French Language).
Italian
Noun
quantum m (plural quanta)
- quantum
- Synonym: quanto
Latin
Pronunciation
- (Classical) IPA(key): /?k?an.tum/, [?k?än?t????]
- (Ecclesiastical) IPA(key): /?kwan.tum/, [?kw?n?t?um]
Adjective
quantum
- nominative neuter singular of quantus
- accusative masculine singular of quantus
- accusative neuter singular of quantus
- vocative neuter singular of quantus
Determiner
quantum (with genitive)
- as much of […] as
- how high, how dear, as dear as
Descendants
- French: quant
- Italian: quanto
- Spanish: cuanto
References
- quantum in Charlton T. Lewis and Charles Short (1879) A Latin Dictionary, Oxford: Clarendon Press
- quantum in Charlton T. Lewis (1891) An Elementary Latin Dictionary, New York: Harper & Brothers
- quantum in Charles du Fresne du Cange’s Glossarium Mediæ et Infimæ Latinitatis (augmented edition, 1883–1887)
- quantum in Gaffiot, Félix (1934) Dictionnaire illustré Latin-Français, Hachette
- Carl Meissner; Henry William Auden (1894) Latin Phrase-Book?[3], London: Macmillan and Co.
Portuguese
Alternative forms
- quântum (rare)
Etymology
Borrowed from Latin quantum. Doublet of quanto.
Noun
quantum m (plural quanta or quantuns (uncommon))
- (physics) quantum (indivisible unit of a given quantity)
Related terms
- quanto
quantum From the web:
- what quantum numbers are not allowed
- what quantum means
- what quantum number is l
- what quantum physics
- what quantum number is n
- what quantum computing
- what quantum mechanics
- what quantum numbers are impossible
quantal
English
Adjective
quantal (not comparable)
- (physics) Of or pertaining to a quantum
- (physics) quantized
- (biology) Of a response, being all-or-none
Derived terms
- nonquantal
- monoquantal
- multiquantal
- prequantal
- quantality
- uniquantal
quantal From the web:
- quantal meaning
- what is quantal release of neurotransmitter
- what is quantal dose response
- what is quantal bioassay
- what is quantal dose response curve
- what is quantal response
- what is quantal summation
- what is quantal content
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