Meaning of “RT” in the English Dictionary

"RT" in British English

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RTnoun [ C ]

uk /ˌɑːˈtiː/ us /ˌɑːrˈtiː/ trademark

RT noun [ C ] (TWITTER)

abbreviation for retweet noun

RT noun [ C ] (MEDICAL)

specialized medical abbreviation for radiotherapy

RTverb [ I or T ]

uk /ˌɑːˈtiː/ us /ˌɑːrˈtiː/ trademark

abbreviation for retweet verb

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