American Heritage® Dictionary of the English Language, Fourth Edition
- n. The degree to which a sunscreen, suntan lotion, or similar preparation protects the skin from ultraviolet rays, usually expressed numerically.
- n. the degree to which a sunscreen protects the skin from the direct rays of the sun
Sorry, no example sentences found.
These user-created lists contain the word ‘sun protection factor’.
I used to be quite annoyed by such phrases, so here we go, do your worst, post your Ys.
Only the Ys please.
Looking for tweets for sun protection factor.