caustic
/ˈkɒstɪk/
noun
- 1
Any substance or means which, applied to animal or other organic tissue, burns, corrodes, or destroys it by chemical action; an escharotic.
- 2
The envelope of reflected or refracted rays of light for a given surface or object.
- 3
The envelope of reflected or refracted rays for a given curve.
- 4
Caustic soda.
adjective
- 1
Capable of burning, corroding or destroying organic tissue.
- 2
(of language, etc.) Sharp, bitter, cutting, biting, and sarcastic in a scathing way.
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