- sun protection factor: the effectiveness of suntanning preparations in protecting the skin from the harmful effects of the sun's ultraviolet radiation, as rated on a scale of increasing protectiveness from 2 to 15 or sometimes higher.
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Examples from the Web for spf
SPF is in our moisturizers, lip balms, eye creams, and make-up.Is the Facekini the Future of Beachwear?
August 23, 2014
- sender policy framework: a mechanism designed to prevent an e-mail address being duplicated and used as a false address from which to send unsolicited e-mails
- sun protection factor: an indicator of how effectively a sun cream, lotion, cosmetic, etc, protects the skin from the harmful rays of the sunSPF 25
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
- sun protection factor
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