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单词 georgina
释义 georgina rare.|dʒɔːˈdʒiːnə|
[mod.L.; cf. Ger. Georgine.]
= dahlia. Also in Comb., as georgina paper, a kind of test-paper formerly used (see quot. 1863); it was of a violet colour, turning red with acids and green with alkalies.
1830Baroness Bunsen in Hare Life I. ix. 351 At the Palace of Portici, I was delighted with a whole grove of Georginas.1837Penny Cycl. VIII. 285 Some attempts have been made of late years to substitute the name of Georgina for that of Dahlia.18..B. Silliman Jr. in Dana Geol. v. (1850) 324 note, Alone in a test tube it gives off water copiously which is neutral to georgina paper.1863Noad Chem. Anal. i. 42 Georgina paper..is prepared by dipping paper into the coloured infusion of the petals of the Georgina purpurea.
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