SPF

abbreviation

Definition of SPF

  1. sun protection factor


Medical Dictionary

SPF

play
noun \ˌes-(ˌ)pē-ˈef\

Medical Definition of SPF

  1. :  a number assigned to a sunscreen that is the factor by which the time required for unprotected skin to become sunburned is increased when the sunscreen is used—called also sun protection factor


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