英语词汇“light-fast”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

light-fast adj. (of a dye, pigment, etc.) resistant to fading or discoloration by light.

ΘΚΠ

the world > matter > colour > colouring > colouring matter > [adjective] > light-fast

light-fast1904

1904 Sci. Amer. Suppl. 24 Dec. 24230/3 The pictures are not, of course, absolutely permanent in light, although comparatively fast dyes may be used... The least light-fast is the blue, which nevertheless exceeds in permanence the well-known ferrotype blue-prints.

1909 W. A. Noyes Textbk. Org. Chem. (ed. 2) xxi. 482 Dyes are distinguished as ‘wash-fast,’ ‘soap-fast,’ ‘alkali-fast,’ and ‘light-fast.’ Dyes which fade rapidly on exposure to the sunlight are called ‘fugitive’.

1971 Jrnl. Oil & Colour Chemists' Assoc. 54 847 Bright red paints based on cadmium sulpho-selenide pigments, which are highly light-fast.

2014 Cycle Sport Apr. 88/2 It would have been much bluer when it was new, because the blue and red dyes used in this process weren't as light-fast as other colours.

单词	light-fast
释义	> as lemmas light-fast light-fast adj. (of a dye, pigment, etc.) resistant to fading or discoloration by light. ΘΚΠ the world > matter > colour > colouring > colouring matter > [adjective] > light-fast light-fast1904 1904 Sci. Amer. Suppl. 24 Dec. 24230/3 The pictures are not, of course, absolutely permanent in light, although comparatively fast dyes may be used... The least light-fast is the blue, which nevertheless exceeds in permanence the well-known ferrotype blue-prints. 1909 W. A. Noyes Textbk. Org. Chem. (ed. 2) xxi. 482 Dyes are distinguished as ‘wash-fast,’ ‘soap-fast,’ ‘alkali-fast,’ and ‘light-fast.’ Dyes which fade rapidly on exposure to the sunlight are called ‘fugitive’. 1971 Jrnl. Oil & Colour Chemists' Assoc. 54 847 Bright red paints based on cadmium sulpho-selenide pigments, which are highly light-fast. 2014 Cycle Sport Apr. 88/2 It would have been much bluer when it was new, because the blue and red dyes used in this process weren't as light-fast as other colours. extracted from lightn.¹ < as lemmas
随便看	to catch cold to catch copper to catch council to catch courage to catch feelings to catch fire to catch forth to catch haste to catch hell to catch hold to catch in the rebound to catch it to catch it hot to catch it in the neck to catch lightning in a bottle to catch like a rat in a trap to catch napping to catch off to fathom about to fathom into to fathom together to fatten into to fatten out to fatten up to fault a person with or that

> as lemmas