lunar caustic

noun Medicine/Medical, Chemistry.

silver nitrate, AgNO3, especially in a sticklike mold, used to cauterize tissues.

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full seriousness, as of intention or purpose.
a feeling of dread, anxiety, or anguish.
urgent character; imperativeness; insistence; importunateness.
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Origin of lunar caustic

First recorded in 1790–1800

Words nearby lunar caustic

lumumba, luna, luna moth, lunacy, lunar, lunar caustic, lunar cycle, lunar day, lunar distance, lunar eclipse, lunar excursion module
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

British Dictionary definitions for lunar caustic

lunar caustic

noun

silver nitrate fused into sticks, which were formerly used in cauterizing
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012