lunar caustic en · NOUN
Etymology
From lunar (“[alchemical] silver”) + caustic.
Meanings
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(obsolete, uncountable) Silver nitrate fused into a stick and used for cauterizing and as a disinfectant before modern antibiotics.
However, the doctor soon relieved his sufferings, though the treatment was severe; nothing short of an application of lunar caustic allayed the inflammation.
1887, Harriet W. Daly, Digging, Squatting, and Pioneering Life in the Northern Territory of South Australia, page 78:
Synonyms
infernal stone · lapis infernalis
Translations (4)
eo lapiso (silver nitrate fused into a stick) · bg адски камък (silver nitrate fused into a stick) · de Höllenstein (silver nitrate fused into a stick) · fi laapispuikko (silver nitrate fused into a stick)