英语词汇“sun protection factor”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

sun protection factor n. a numerical measure of the effectiveness of a sunscreen or similar product for protection of the skin, notionally representing the ratio of the amounts of ultraviolet light required to cause sunburn with and without the product; (also) a sunscreen or similar product; abbreviated SPF.A higher SPF indicates a greater degree of protection.

ΚΠ

1968 Jrnl. Soc. Cosmetic Chemists 19 785 The mean sun protection factor..is considered the most important criterion for the evaluation of sun screens.

1978 Chem. Week 5 July 19/1 At the heart of the FDA monograph will be the Sun Protection Factor (SPF) system. Under the system, each sunscreen product will be labeled with an SPF code number that indicates its protective capabilities.

1990 Essentials Sept. 30/3 Slather on the sunscreen, making sure you choose the appropriate Sun Protection Factor for your skin type.

2001 Jrnl. (Newcastle) (Nexis) 12 Nov. 47 All the products also contain sun protection factor and the cream lipsticks contain the highest SPF of any such item currently available.

2010 Advertiser (Adelaide) (Nexis) 4 Nov. 17 Sunscreens with a sun protection factor of 50+ are set to appear on the shelves at the end of next year.

单词	sun protection factor
释义	> as lemmas sun protection factor sun protection factor n. a numerical measure of the effectiveness of a sunscreen or similar product for protection of the skin, notionally representing the ratio of the amounts of ultraviolet light required to cause sunburn with and without the product; (also) a sunscreen or similar product; abbreviated SPF.A higher SPF indicates a greater degree of protection. ΚΠ 1968 Jrnl. Soc. Cosmetic Chemists 19 785 The mean sun protection factor..is considered the most important criterion for the evaluation of sun screens. 1978 Chem. Week 5 July 19/1 At the heart of the FDA monograph will be the Sun Protection Factor (SPF) system. Under the system, each sunscreen product will be labeled with an SPF code number that indicates its protective capabilities. 1990 Essentials Sept. 30/3 Slather on the sunscreen, making sure you choose the appropriate Sun Protection Factor for your skin type. 2001 Jrnl. (Newcastle) (Nexis) 12 Nov. 47 All the products also contain sun protection factor and the cream lipsticks contain the highest SPF of any such item currently available. 2010 Advertiser (Adelaide) (Nexis) 4 Nov. 17 Sunscreens with a sun protection factor of 50+ are set to appear on the shelves at the end of next year. extracted from sunn.¹ < as lemmas
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