chameleon mineral
Potassium Po*tas"si*um, n. [NL. See {Potassa}, {Potash}.] (Chem.) An Alkali element, occurring abundantly but always combined, as in the chloride, sulphate, carbonate, or silicate, in the minerals sylvite, kainite, orthoclase, muscovite, etc. Atomic weight 39.0. Symbol K (Kalium). [1913 Webster]

Note: It is reduced from the carbonate as a soft white metal, lighter than water, which oxidizes with the greatest readiness, and, to be preserved, must be kept under liquid hydrocarbons, as naphtha or kerosene. Its compounds are very important, being used in glass making, soap making, in fertilizers, and in many drugs and chemicals. [1913 Webster]

{Potassium permanganate}, the salt {KMnO4}, crystallizing in dark red prisms having a greenish surface color, and dissolving in water with a beautiful purple red color; -- used as an oxidizer and disinfectant. The name {chameleon mineral} is applied to this salt and also to potassium manganate.

{Potassium bitartrate}. See {Cream of tartar}, under {Cream}. [1913 Webster]


The Collaborative International Dictionary of English. 2000.

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  • Chameleon mineral — Chameleon Cha*me le*on (k[.a]*m[=e] l[ e]*[u^]n), n. [L. Chamaeleon, Gr. chamaile wn, lit., ground lion; chamai on the ground + le wn lion. See {Humble}, and {Lion}.] (Zo[ o]l.) 1. A lizardlike reptile of the genus {Cham[ae]leo}, of several… …   The Collaborative International Dictionary of English

  • Mineral chameleon — Mineral Min er*al, a. 1. Of or pertaining to minerals; consisting of a mineral or of minerals; as, a mineral substance. [1913 Webster] 2. Impregnated with minerals; as, mineral waters. [1913 Webster] {Mineral acids} (Chem.), inorganic acids, as… …   The Collaborative International Dictionary of English

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  • Mineral acids — Mineral Min er*al, a. 1. Of or pertaining to minerals; consisting of a mineral or of minerals; as, a mineral substance. [1913 Webster] 2. Impregnated with minerals; as, mineral waters. [1913 Webster] {Mineral acids} (Chem.), inorganic acids, as… …   The Collaborative International Dictionary of English

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