caustic definition

  • adjective:
    • with the capacity of burning up, corroding, dissolving, or consuming away by chemical action.
    • Corrosive and bitingly trenchant; cutting. See Synonyms at sarcastic.
    • Causing a burning or stinging feeling, as from intense emotion: "First And Foremost, there is caustic shame for personal stupidity” ( Scott Turow).
    • Capable of burning, corroding or destroying natural muscle
    • razor-sharp, sour, cutting, biting, sarcastic
    • with the capacity of destroying the texture of any such thing or consuming away its material by chemical activity; burning; corrosive; searing.
    • serious; satirical; razor-sharp.
    • harsh or corrosive in tone
    • of a substance, particularly a strong acid; effective at destroying or eating away by chemical action

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  • noun:
    • A caustic material or compound.
    • A hydroxide of a light material.
    • The enveloping surface created by light rays reflecting or refracting from a curved area, especially one with spherical aberration.
    • Any compound or means which, applied to animal or any other organic muscle, burns off, corrodes, or destroys it by chemical action; an escharotic.
    • The envelope of reflected or refracted rays of light for certain area or object.
    • The envelope of reflected or refracted rays for confirmed bend.
    • caustic soda
    • Any compound or means which, placed on animal or any other organic muscle, burns off, corrodes, or kills it by chemical activity; an escharotic.
    • A caustic curve or caustic area.
    • any chemical substance that burns off or destroys residing muscle

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  • others:
    • with the capacity of burning up, corroding, or destroying the tissue of animal substances. See causticity.
    • Figuratively, severely vital or sarcastic; cutting: as, a caustic remark.
    • The curved area to which all rays of a conical pen of light entering a refractive medium tend to be tangential.

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