English edit

 
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Noun edit

SPF (countable and uncountable, plural SPFs)

  1. Initialism of sun protection factor.
    • 2022 July 21, Nancy Redd, “How much SPF is enough?”, in The New York Times[1], →ISSN:
      Most dermatologists, as well as the American Academy of Dermatology, recommend an SPF of at least 30 for most people and most climates.
  2. Initialism of single point of failure.
  3. Initialism of spray polyurethane foam.
  4. Initialism of spruce-pine-fir, mixed softwood timber

Adjective edit

SPF (not comparable)

  1. (of laboratory animals) Initialism of specific-pathogen-free.

Proper noun edit

SPF

  1. (Internet) Initialism of Sender Policy Framework.

Anagrams edit