[ UK /kˈɔːstɪk/ ]
[ US /ˈkɑstɪk, ˈkɔstɪk/ ]
  1. harsh or corrosive in tone
    bitter words
    an acerbic tone piercing otherwise flowery prose
    caustic jokes about political assassination, talk-show hosts and medical ethics
    blistering criticism
    a sulfurous denunciation
    her acrid remarks make her many enemies
    a vitriolic critique
    a barrage of acid comments
  2. of a substance, especially a strong acid; capable of destroying or eating away by chemical action
  1. any chemical substance that burns or destroys living tissue
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How To Use caustic In A Sentence

  • he addressed her caustically
  • Sick of his persona - delicate emotions paired off with caustic cynicism - he creates a bogus doppelganger to hide behind.
  • Sodium hydroxide is a caustic type of chemical that actually softens hair fibers.
  • It is also a caustic commentary on the American Dream of success at all costs. Times, Sunday Times
  • That is an enormous range of substances and, as has already been pointed out, it includes explosives, corrosives, oxidising agents, reducing agents, caustic agents, and acidic agents - the works.
  • In cases of recent wounds unattended by inflammation, it may be applied freely; but when inflammation has come on, too severe an application of the caustic induces vesication of the surrounding skin, and the edges of the eschar may in this manner also be loosened and removed. An Essay on the Application of the Lunar Caustic in the Cure of Certain Wounds and Ulcers
  • Sturm's theoretical work in mathematical physics involved the study of caustic curves, and poles and polars of conic sections.
  • Last week's chemical accident in Hungary, when about 184 million gallons of caustic sludge and water burst from a storage pool of a metals plant inundating three western Hungarian towns and spilling into the Danube, is yet another reminder that accidents happen at chemical facilities. Elizabeth Hitchcock: In The Public Interest : How Many Reminders Do We Need Before We Act to Reduce Chemical Accident Risk?
  • Paint was applied by brush, although the encaustic technique (mixing paint with heated wax) was used at least from the time of Polygnotus.
  • No caustic reproach, no specious arguments against the plan, no long-suffering resignation. C B GREENFIELD - A LITTLE MADNESS
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