Relating to or causing burning or heat; having properties that burn or sear tissue.
From Greek 'kauma' (burn) and Latin 'cauma' (heat), derived from the root meaning 'to burn.' The suffix '-ic' makes it an adjective describing something characterized by burning or extreme heat.
This word connects to medicine's dark history—ancient doctors used caustic substances to deliberately burn away diseased tissue, a practice that survived into the 1800s and influenced how we still use the related word 'caustic' to describe harsh, cutting remarks.
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