relativity
From Wiktionary, the free dictionary
Etymology
From relative (“connected to or depending on something else”) + -ity (suffix forming nouns from adjectives where the nouns refer to the properties, qualities, or states described by the adjectives). Sense 2.1 (“reliance of the nature of physical phenomena on the relative motion between an observer and the thing observed”) is a translation of German Relativität (“relativity”) used in the works[1] of the German-American theoretical physicist Albert Einstein (1879–1955).[2]
Pronunciation
- (Received Pronunciation) IPA(key): /ɹɛləˈtɪvɪti/
Audio (Southern England): (file) - (General American) IPA(key): /ˌɹɛləˈtɪvɪti/, [-ɾi]
- Rhymes: -ɪvɪti
- Hyphenation: re‧la‧tiv‧i‧ty
Noun
relativity (usually uncountable, plural relativities)
- (uncountable) The state of being relative to something else; the absence of universally applicable rules or standards; relativism; (countable) an instance of this.
- (uncountable, physics) Short for principle of relativity (“the principle that the laws of physics should be the same for all observers”).
- (specifically) Also Einsteinian relativity: the reliance of the nature of physical phenomena (such as gravity, light, mass, and time) on the relative motion between an observer and the thing observed, as developed by Albert Einstein in two theories, special relativity and general relativity.
- (countable, chiefly in the plural) An evaluation of the similarities and differences between things; a comparison; hence, a difference in position or status between things; a disparity.
Derived terms
Related terms
Translations
the state of being relative to something else — see also relativism
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principle that the laws of physics should be the same for all observers
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reliance of the nature of physical phenomena on the relative motion between an observer and the thing observed, as developed by Albert Einstein in two theories
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evaluation of the similarities and differences between things — see comparison
difference in position or status between things — see disparity
difference in pay or positions between different employees in a business, or between different businesses — see also differential
- The translations below need to be checked and inserted above into the appropriate translation tables. See instructions at Wiktionary:Entry layout § Translations.
Translations to be checked
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References
- For example, A[lbert] Einstein (1905 June 30) “Zur Elektrodynamik bewegter Körper [On the Electrodynamics of Moving Bodies]”, in Paul Drude, editor, Annalen der Physik [Annals of Physics], volume 17 (4th Series; volume 322 overall), number 10, Leipzig: Johann Ambrosius Barth, , →ISSN, →OCLC, pages 891–921; A[lbert] Einstein (1916 March 20) “Die Grundlage der allgemeinen Relativitätstheorie [The Foundation of the Generalized Theory of Relativity]”, in W[ilhelm] Wein and M[ax] Planck, editors, Annalen der Physik, volume 49 (4th Series; volume 354 overall), number 7, Leipzig: Johann Ambrosius Barth, , →ISSN, →OCLC, pages 769–822.
- “relativity, n.”, in OED Online
, Oxford: Oxford University Press, December 2009; “relativity, n.”, in Lexico, Dictionary.com; Oxford University Press, 2019–2022.
Further reading
principle of relativity on Wikipedia.Wikipedia - theory of relativity on Wikipedia.Wikipedia
- relativity (disambiguation) on Wikipedia.Wikipedia
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