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English definition of “STD”


noun uk   /ˌes.tiːˈdiː/ us  


[C] abbreviation for sexually transmitted diseaseDiseases of the reproductive system

STD noun (PHONE)

[U] abbreviation for subscriber trunk dialling: a system in the UK and Australia by which people make phone calls over long distancesCommunicating by telephone
(Definition of STD noun from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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