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单词 verdous
释义 ˈverdous, a. Chem. Obs.
[See verdic a. and -ous.]
verdous acid: (see quots.).
1836–41Brande Chem. (ed. 5) 1198 On evaporation [of an extract from the root of Scabiosa succisa] a yellow acid product is obtained: in this state Berzelius proposes to call it verdous acid.1843Penny Cycl. XXVI. 256/1 Berzelius..proposes to call the colourless the verdous and the coloured the verdic acid.
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