R, r Definition in the Cambridge English Dictionary
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Definition of “R, r” - English Dictionary

Definition of "R, r" - British English Dictionary

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R, rnoun

uk   /ɑːr/  us   /ɑːr/ (plural Rs, R's or r's)

R, r noun (LETTER)

[C or U] the 18th ​letter of the ​Englishalphabet

R, r noun (RIVER)

written abbreviation for river , used in writing before or after the ​name of a ​river: R Thames

R, r noun (DIRECTION)

written abbreviation for right noun

R, r noun (ROYAL PERSON)

abbreviation for Rex (= ​king) or Regina (= ​queen), used after the ​name of a ​king or ​queen: Elizabeth R

R, radjective

uk   /ɑːr/  us   /ɑːr/

R, r adjective (ROYAL)

written abbreviation for royal adjective , used in the ​names of ​organizations in the UK: He's an RAF (= Royal Air Force)officer. RSPH, the Royal Society for Public Health

R, r adjective (DIRECTION)

written abbreviation for right adjective : R ​eye: 3.20/L ​eye: 3.25

R, r adjective (FILM)

[C or U] US abbreviation for restricted : used to refer to a ​film that ​people under 17 ​years of ​age can ​see only if a ​parent or guardian is with them

R, radverb

uk   /ɑːr/  us   /ɑːr/
written abbreviation for right adjective
(Definition of R, r from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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