English
Noun
acid of sugar (uncountable)
- (obsolete, organic chemistry) oxalic acid
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1784 July 1, “History of the Royal Academy of Sciences, for the year 1780”, in A New Review, volume 6, page 57:- If you distil the nitrous acid on silk, wool, hairs, or skin, you obtain a certain quantity of animal oil, different from that which forms fat, and a portion of acid similar to the acid of sugar […]
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1828, John Murray, A Manual of Experiments illustrative of Chemical Science, page 4:- This is not all: who would suspect under the specious guise of “acid of sugar,” an envenomed drug?
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1829, Shirley Palmer, Popular illustrations of medicine, page 101:- It exists plentifully in several well-known plants, as the beautiful Wood-sorrel; but, obtainable from saccharine matter by a chemical process, it has acquired the vulgar name of Acid of Sugar.
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