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Definitions for: Caustic
[n] any chemical substance that burns or destroys living tissue
[adj] of a substance, especially a strong acid; capable of destroying or eating away by chemical action
[adj] harsh or corrosive in tone; "an acerbic tone piercing otherwise flowery prose"; "a barrage of acid comments"; "her acrid remarks make her many enemies"; "bitter words"; "blistering criticism"; "caustic jokes about political assassination, talk-show hosts and medical ethics"; "a sulfurous denunciation"
Webster (1913) Definition: Caus"tic, Caustical Caus"tic*al, a. [L. caustucs,
Ge. ?, fr. ? to burn. Cf. Calm, Ink.]
1. Capable of destroying the texture of anything or eating
away its substance by chemical action; burning; corrosive;
searing.
2. Severe; satirical; sharp; as, a caustic remark.
Caustic curve (Optics), a curve to which the ray of light,
reflected or refracted by another curve, are tangents, the
reflecting or refracting curve and the luminous point
being in one plane.
Caustic lime. See under Lime.
Caustic potash, Caustic soda (Chem.), the solid
hydroxides potash, KOH, and soda, NaOH, or solutions
of the same.
Caustic silver, nitrate of silver, lunar caustic.
Caustic surface (Optics), a surface to which rays reflected
or refracted by another surface are tangents. Caustic
curves and surfaces are called catacaustic when formed by
reflection, and diacaustic when formed by refraction.
Syn: Stinging; cutting; pungent; searching.
Cau"stic, n. [L. causticum (sc. medicamentum). See
Caustic, a.]
1. Any substance or means which, applied to animal or other
organic tissue, burns, corrodes, or destroys it by
chemical action; an escharotic.
2. (Optics) A caustic curve or caustic surface.
Synonyms: acerb, acerbic, acid, acrid, bitter, blistering, corrosive, destructive, erosive, sulfurous, sulphurous, unpleasant, venomous, virulent, vitriolic
See Also: chemical compound, compound, lye, silver nitrate
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