caustic

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caustic

 [kaws´tik]
1. burning or corrosive; destructive to tissue.
2. having a burning taste.
3. a corrosive or escharotic agent.

caus·tic

(kaws'tik),
1. Chemically exerting an effect resembling a burn.
2. An agent producing this effect.
3. Denoting a solution of a strong alkali; for example, caustic soda, NaOH.
Synonym(s): pyrotic (2)
[G. kaustikos, fr. kaiō, to burn]

caus·tic

(kaws'tik)
1. Exerting an effect resembling a burn.
2. An agent producing this effect.
3. Denoting a solution of a strong alkali (e.g., caustic soda, NaOH).
[G. kaustikos, fr. kaiō, to burn]

caustic

Any chemical substance which corrodes and destroys bodily tissue.

caustic 

The concentration of light in the caustic surface of a bundle of converging light rays which represents the focal image in an optical system uncorrected for spherical aberration. It appears as a hollow luminous cusp with its apex at the paraxial focus.

caus·tic

(kaws'tik)
1. Chemically exerting an effect resembling a burn.
2. An agent producing this effect.
[G. kaustikos, fr. kaiō, to burn]