English Dictionary

Definition of “caustic

caustic (ˈkɔːstɪkPronunciation for caustic

Definitions

adjective

  1. capable of burning or corroding by chemical action  ⇒ caustic soda 
  2. sarcastic; cutting  ⇒ a caustic reply 
  3. of, relating to, or denoting light that is reflected or refracted by a curved surface

noun

  1.  Also called caustic surfacea surface that envelops the light rays reflected or refracted by a curved surface
  2.  Also called caustic curvea curve formed by the intersection of a caustic surface with a plane
  3. chemistry a caustic substance, esp an alkali

Alternative Forms

ˈcaustical adjective ˈcaustically adverb causticity (kɔːˈstɪsɪtɪPronunciation for causticity ˈcausticness noun

Word Origin

C14: from Latin causticus,  from Greek kaustikos,  from kaiein to burn

Usage examples

No examples available.

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