sun protection factor
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English[edit]
Noun[edit]
sun protection factor (plural sun protection factors) (abbreviated as SPF)
- An indication of how long a sunscreen remains effective when applied to the skin.
- If someone normally burns in 10 minutes with no sunscreen, then a sunscreen with sun protection factor 20 will provide protection for up to 20x10 = 200 minutes
Translations[edit]
an indication of how long a sunscreen remains effective
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