Search Result for "spf": 
Wordnet 3.0

NOUN (1)

1. the degree to which a sunscreen protects the skin from the direct rays of the sun;
[syn: sun protection factor, SPF]



WordNet (r) 3.0 (2006):

SPF
    n 1: the degree to which a sunscreen protects the skin from the
         direct rays of the sun [syn: sun protection factor,
         SPF]