Definitions from Wiktionary ( )

▸ noun:  Initialism of sun protection factor. [An indication of how long a sunscreen remains effective when applied to the skin.]
▸ noun:  Initialism of single point of failure. [A component in a device, or a point in a network, that, if it were to fail, would cause the entire device or network to fail (normally eliminated by adding redundancy).]
▸ noun:  Initialism of spray polyurethane foam.
▸ noun:  Initialism of spruce-pine-fir, mixed softwood timber
▸ adjective:  (of laboratory animals) Initialism of specific-pathogen-free.
▸ noun:  Initialism of Scottish Police Federation.
▸ noun:  (Internet) Initialism of Sender Policy Framework.






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