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Pronunciation: kaws′tik


  1. Chemically exerting an effect resembling a burn.
  2. An agent producing this effect.
  3. Denoting a solution of a strong alkali; caustic soda, NaOH.

Synonym(s): pyrotic2

[G. kaustikos, fr. kaiō, to burn]

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© Copyright 2018 Wolters Kluwer. All Rights Reserved. Review date: Sep 19, 2016.