| 单词 | litmus test |
| 释义 | > as lemmaslitmus test A blue colouring matter, obtained from various lichens, esp. archil, Roccella tinctoria. Also figurative, as in litmus test. It is turned red by acids, and the blue colour is restored by alkalis. ΘΚΠ the world > matter > colour > named colours > blue or blueness > blue colouring matter > [noun] > blue pigment > specific azurec1374 lapis lazulia1425 litmusc1503 verditer1505 florey1527 bice1548 smalt1558 smalts1591 smalt1598 ultramarine1598 litmus blue1612 verditer1665 ultramarine blue (or colour)1686 blue sublimate1700 Prussian blue1724 terre bleue1728 starch blue1742 king's blue1778 verditel1778 Antwerp brown1787 Berlin blue1794 lacmus1794 Antwerp blue1795 French blue1802 lapis1811 Waterloo blue1815 Waterloo1823 cobalt1835 Thénard's blue1837 iron blue1839 turnsole1839 permanent blue1863 opal blue1880 Haarlem blue1885 cyanine blue1886 cerulean blue1889 Victoria blue1890 Milori blue1899 Prussian1911 Windsor blue1912 gentianine1927 Monastral1936 Alcian Blue1947 the world > action or operation > endeavour > trial or experiment > trial, test, or testing > [noun] > crucial or decisive test experimentum crucis1751 acid test1854 litmus test1957 c1503 R. Arnold Chron. f. lxxiv/1 Take an C. and a quaȝt [sic] of lyȝtmose. 1518 Will of Richard Hoby (P.R.O.: PROB. 11/19) f. 53 xij bagges of Lytmos otherwise called white Corke. 1546 in Surrey Archæol. Coll. (1869) 4 107 Item for lyttmosse ijli. viijd. 1594 H. Plat Jewell House 37 Dry Litmas scraped in water. 1606 H. Peacham Art of Drawing 57 If you put to overmuch Litmose it maketh a deep blew. 1640 Rates in J. Noorthouck New Hist. London (1773) 838/2 Littimus, the cwt. qt. 112 lb. 1d. 1722 Act Encour. Silk Manuf. &c. in London Gaz. No. 6040/7 Litmus the Hundred Weight,..twenty Shillings. 1811 A. T. Thomson London Dispensatory iii. 455 This solution..reddens tincture of litmus. 1898 T. C. Allbutt et al. Syst. Med. V. 448 Soak the papers in strong neutral litmus and dry them. 1957 Ess. in Crit. 7 80 Their possession is as good a cultural litmus test as any I can think of. 1971 Daily Tel. Nov. 13/2 The litmus test comes with the old issue of whether the NUS should re-join the IUS. 1972 Times 21 Nov. 21/7 The litmus test will be the effect of the rise from 4p to 10p in the basic charge for an inpayment. < as lemmas |
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