SPF
abbreviation
sun protection factor
Medical Definition
SPF
noun
ˌes-(ˌ)pē-ˈef 
: 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
- sharplier
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- parcellation
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- parcelling
- parcelling off
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- parcelling up
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