sun protection factor

SPF. A scale for rating the level of sunburn protection in sunscreen products. The higher the SPF, the more sunburn protection it gives. Sunscreens with an SPF value of 2 through 11 give minimal protection against sunburns. Sunscreens with an SPF of 12 through 29 give moderate protection. Those with an SPF of 30 or higher give high protection against sunburn. Also called SPF.

English dictionary of cancer terms . 2015.

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  • Sun Protection Factor — SPF (Sun Protection Factor солнцезащитный фактор) основная характеристика солнцезащитных косметических средств, обозначает коэффициент, показывающий во сколько раз большее время потребуется коже защищённой солнцезащитным средством для получения… …   Википедия

  • sun protection factor — n spf * * * (SPF), sun protective factor the ratio between the number of minimal erythema doses required to induce erythema through a film of sunscreen and that for unprotected skin …   Medical dictionary

  • sun protection factor — n. a number indicating the relative effectiveness of a sunblock in preventing certain ultraviolet rays from burning the skin: a higher number indicates a greater degree of protection * * * …   Universalium

  • sun protection factor — n. a number indicating the relative effectiveness of a sunblock in preventing certain ultraviolet rays from burning the skin: a higher number indicates a greater degree of protection …   English World dictionary

  • sun protection factor — noun the degree to which a sunscreen protects the skin from the direct rays of the sun • Syn: ↑SPF • Hypernyms: ↑degree, ↑grade, ↑level * * * noun : SPF herein * …   Useful english dictionary

  • sun protection factor — sun′ protec tion fac tor n. pha See SPF • Etymology: 1975–80 …   From formal English to slang

  • sun protection factor — noun an indication of how long a sunscreen remains effective when applied to the skin Example: If someone normally burns in 10 minutes with no sunscreen, then a sunscreen with factor 20 will provide protection for up to 20x10 = 200 minutes …   Wiktionary

  • sun protection factor — noun Date: 1978 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 abbreviation SPF …   New Collegiate Dictionary

  • sun protection factor — number for measuring the level of protection of the skin against the suns rays, SPF …   English contemporary dictionary

  • sun protection factor. — See SPF. [1975 80] * * * …   Universalium

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