Dictionary Entries Near SPF
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“SPF.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/SPF. Accessed 26 Dec. 2024.
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SPF
noun
: 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
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