Dictionary
sun protection factor
noun
Definition of SUN PROTECTION FACTOR
: 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 —abbreviation SPF
See sun protection factor defined for English-language learners
ADVERTISEMENT
First Known Use of SUN PROTECTION FACTOR
1978
Medical Dictionary
sun protection factor
noun
Browse
Next Word in the Dictionary: sunray (noun)Previous Word in the Dictionary: sunproofAll Words Near: sun protection factor
ADVERTISEMENT
Seen & Heard
What made you want to look up sun protection factor? Please tell us where you read or heard it (including the quote, if possible).