caustic
71caustic alkali — noun : a strong corrosive alkali; especially : a hydroxide of an alkali metal (as caustic soda or caustic potash) …
72caustic ammonia — noun : ammonia especially in water solution * * * caustic ammonia noun Ammonia as a gas, or in solution • • • Main Entry: ↑caustic …
73caustic potash — Potassa Po*tas sa, n. [NL., fr. E. potash.] (Chem.) (a) Potassium oxide. [Obs.] (b) Potassium hydroxide, commonly called {caustic potash}. [1913 Webster] …
74Caustic soda — Soda So da, n. [It., soda, in OIt., ashes used in making glass, fr. L. solida, fem. of solidus solid; solida having probably been a name of glasswort. See {Solid}.] 1. (Chem.) (a) Sodium oxide or hydroxide. (b) Popularly, sodium carbonate or… …
75caustic soda — Sodium So di*um, n. [NL., fr.E. soda.] (Chem.) A common metallic element of the alkali group, in nature always occuring combined, as in common salt, in albite, etc. It is isolated as a soft, waxy, white, unstable metal, so highly reactive that it …
76caustic surface — Optics. the surface to which all light rays emanating from a single point and reflected by a curved surface, as a concave mirror, are tangent. Also called caustic. [1865 70] * * * …
77caustic surface — noun 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 …
78caustic sulphite caramel — noun A material manufactured by heating sugars with a sulphite and, normally, caustic soda. Syn: E150b, food colouring …
79caustic curve — noun 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 curves and surfaces are called catacaustic when formed by… …
80caustic soda — N UNCOUNT Caustic soda is a powerful chemical substance used to make strong soaps and clean drains …
