acid of sugar

English

Noun

acid of sugar (uncountable)

1. (obsolete, organic chemistry) oxalic acid
   • 1784 July, “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 […]

   • 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?

   • 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.

References

• Glossary of Archaic Chemical Terms