What is a salt of nitric acid. Nitrate of silver, a white crystalline salt (AgNO3), used in photography and as a cauterizing agent; -- called also lunar caustic called?

nitrate — A salt of nitric acid. Nitrate of silver, a white crystalline salt (AgNO3), used in photography and as a cauterizing agent; -- called also lunar caustic. (Webster's 1913.)

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