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English definition of “SPF”

SPF

noun [C] uk   /ˌes.piːˈef/ us  
abbreviation for sun protection factor: the letters on a bottle of sunscreen (= a substance that prevents the skin from burning in the sun) that show how effective the sunscreen isToiletry and perfumesMiscellaneous units of measurementMake-up and skin care
(Definition of SPF from the Cambridge Advanced Learners Dictionary & Thesaurus © Cambridge University Press)
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