Caustic potash
Caustic Caus"tic, Caustical Caus"tic*al, a. [L. caustucs, Ge. ?, fr. ? to burn. Cf. {Calm}, {Ink}.] 1. Capable of destroying the texture of anything or eating away its substance by chemical action; burning; corrosive; searing. [1913 Webster]

2. Severe; satirical; sharp; as, a caustic remark. [1913 Webster]

{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. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

Look at other dictionaries:

  • caustic potash — Potash Pot ash , n. [Pot + ash.] (Chem.) (a) The hydroxide of potassium hydrate, a hard white brittle substance, {KOH}, having strong caustic and alkaline properties; hence called also {caustic potash}. (b) The impure potassium carbonate obtained …   The Collaborative International Dictionary of English

  • caustic potash — n. POTASSIUM HYDROXIDE * * *       potassium hydroxide, a potassium salt that readily dissolves in water to form a strongly alkaline and corrosive solution (see potassium). * * * …   Universalium

  • caustic potash — n POTASSIUM HYDROXIDE …   Medical dictionary

  • caustic potash — n. POTASSIUM HYDROXIDE …   English World dictionary

  • caustic potash — Potassa Po*tas sa, n. [NL., fr. E. potash.] (Chem.) (a) Potassium oxide. [Obs.] (b) Potassium hydroxide, commonly called {caustic potash}. [1913 Webster] …   The Collaborative International Dictionary of English

  • caustic potash — /kɒstɪk ˈpɒtæʃ/ (say kostik potash) noun potassium hydroxide, KOH …   Australian English dictionary

  • caustic potash — noun a potassium compound often used in agriculture and industry • Syn: ↑potash, ↑potassium hydroxide • Hypernyms: ↑hydroxide, ↑hydrated oxide, ↑lye …   Useful english dictionary

  • caustic potash — noun Date: 1839 potassium hydroxide …   New Collegiate Dictionary

  • caustic potash. — See potassium hydroxide. [1865 70] * * * …   Universalium

  • caustic potash — noun Potassium hydroxide …   Wiktionary

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