Meaning of “relativity” in the English Dictionary

"relativity" in British English

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relativitynoun [ U ]

uk /ˌrel.əˈtɪv.ə.ti/ us /ˌrel.əˈtɪv.ə.t̬i/

relativity noun [ U ] (IN PHYSICS)

specialized physics either of two theories of physics giving the relationship between space, time, and energy, especially for two objects moving in different ways

(Definition of “relativity” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"relativity" in American English

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relativitynoun [ U ]

us /ˌrel·əˈtɪv·ɪ·t̬i/

physics a two-part theory in physics describing motion and the relationships between space, time, and energy:

Einstein’s theory of relativity

(Definition of “relativity” from the Cambridge Academic Content Dictionary © Cambridge University Press)

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