Caustic was formed in Middle English as an adjective describing chemical substances, such as lime and lye, that are capable of destroying or eating away at something. The word is based on the Latin …

CAUSTIC definition: capable of burning, corroding, or destroying living tissue. See examples of caustic used in a sentence.

Caustic means able to burn through things. Because the toxic agents are also caustic, they degrade their containers, so they aren't loaded until just prior to use. It was a celebration of taping that had a …

Use the adjective caustic to describe any chemical that is able to burn living tissue or other substances, or, figuratively, a statement that has a similarly burning effect.

Definition of caustic adjective in Oxford Advanced Learner's Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.

A caustic remark is extremely critical, cruel, or bitter. His abrasive wit and caustic comments were an interviewer's nightmare. He was often caustic and mocking, or flew into rages. She was caustically …

Caustic (mathematics), the envelope of rays reflected or refracted by a manifold Caustic (optics), optic phenomenon due to light rays reflecting/refracting through curved surfaces/objects

Jan 8, 2026 · A caustic substance is a chemical compound capable of burning, corroding, or destroying organic tissue upon contact. The term causticity describes this aggressive property and is often used …

Nov 19, 2025 · caustic (countable and uncountable, plural caustics) Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an …

Caustic definition: Capable of burning, corroding, dissolving, or eating away by chemical action.