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caustic
WordNet 2.0
  • any chemical substance that burns or destroys living tissue
  • of a substance, especially a strong acid
  • capable of destroying or eating away by chemical action
  • 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
caustic
Webster's Revised Unabridged Dictionary (1913)
  • 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.

  • 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.

 

A man is sorry to be honest for nothing.

Ovid
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