Definition of Potas. Meaning of Potas. Synonyms of Potas

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Definition of Potas

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acid potassium tartrate
Cream Cream (kr[=e]m), n. [F. cr[^e]me, perh. fr. LL. crema cream of milk; cf. L. cremor thick juice or broth, perh. akin to cremare to burn.] 1. The rich, oily, and yellowish part of milk, which, when the milk stands unagitated, rises, and collects on the surface. It is the part of milk from which butter is obtained. 2. The part of any liquor that rises, and collects on the surface. [R.] 3. A delicacy of several kinds prepared for the table from cream, etc., or so as to resemble cream. 4. A cosmetic; a creamlike medicinal preparation. In vain she tries her paste and creams, To smooth her skin or hide its seams. --Goldsmith. 5. The best or choicest part of a thing; the quintessence; as, the cream of a jest or story; the cream of a collection of books or pictures. Welcome, O flower and cream of knights errant. --Shelton. Bavarian cream, a preparation of gelatin, cream, sugar, and eggs, whipped; -- to be eaten cold. Cold cream, an ointment made of white wax, almond oil, rose water, and borax, and used as a salve for the hands and lips. Cream cheese, a kind of cheese made from curd from which the cream has not been taken off, or to which cream has been added. Cream gauge, an instrument to test milk, being usually a graduated glass tube in which the milk is placed for the cream to rise. Cream nut, the Brazil nut. Cream of lime. (a) A scum of calcium carbonate which forms on a solution of milk of lime from the carbon dioxide of the air. (b) A thick creamy emulsion of lime in water. Cream of tartar (Chem.), purified tartar or argol; so called because of the crust of crystals which forms on the surface of the liquor in the process of purification by recrystallization. It is a white crystalline substance, with a gritty acid taste, and is used very largely as an ingredient of baking powders; -- called also potassium bitartrate, acid potassium tartrate, etc.
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 by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).
caustic potash
Potassa Po*tas"sa, n. [NL., fr. E. potash.] (Chem.) (a) Potassium oxide. [Obs.] (b) Potassium hydroxide, commonly called caustic potash.
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. 2. Severe; satirical; sharp; as, a caustic remark. 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.
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 by leaching wood ashes, either as a strong solution (lye), or as a white crystalline (pearlash).
Potash soap
Soap Soap, n. [OE. sope, AS. s[=a]pe; akin to D. zeep, G. seife, OHG. seifa, Icel. s[=a]pa, Sw. s?pa, Dan. s?be, and perhaps to AS. s[=i]pan to drip, MHG. s[=i]fen, and L. sebum tallow. Cf. Saponaceous.] A substance which dissolves in water, thus forming a lather, and is used as a cleansing agent. Soap is produced by combining fats or oils with alkalies or alkaline earths, usually by boiling, and consists of salts of sodium, potassium, etc., with the fatty acids (oleic, stearic, palmitic, etc.). See the Note below, and cf. Saponification. By extension, any compound of similar composition or properties, whether used as a cleaning agent or not. Note: In general, soaps are of two classes, hard and soft. Calcium, magnesium, lead, etc., form soaps, but they are insoluble and useless. The purifying action of soap depends upon the fact that it is decomposed by a large quantity of water into free alkali and an insoluble acid salt. The first of these takes away the fatty dirt on washing, and the latter forms the soap lather which envelops the greasy matter and thus tends to remove it. --Roscoe & Schorlemmer. Castile soap, a fine-grained hard soap, white or mottled, made of olive oil and soda; -- called also Marseilles, or Venetian, soap. Hard soap, any one of a great variety of soaps, of different ingredients and color, which are hard and compact. All solid soaps are of this class. Lead soap, an insoluble, white, pliable soap made by saponifying an oil (olive oil) with lead oxide; -- used externally in medicine. Called also lead plaster, diachylon, etc. Marine soap. See under Marine. Pills of soap (Med.), pills containing soap and opium. Potash soap, any soap made with potash, esp. the soft soaps, and a hard soap made from potash and castor oil. Pumice soap, any hard soap charged with a gritty powder, as silica, alumina, powdered pumice, etc., which assists mechanically in the removal of dirt. Resin soap, a yellow soap containing resin, -- used in bleaching. Silicated soap, a cheap soap containing water glass (sodium silicate). Soap bark. (Bot.) See Quillaia bark. Soap bubble, a hollow iridescent globe, formed by blowing a film of soap suds from a pipe; figuratively, something attractive, but extremely unsubstantial. This soap bubble of the metaphysicians. --J. C. Shairp. Soap cerate, a cerate formed of soap, olive oil, white wax, and the subacetate of lead, sometimes used as an application to allay inflammation. Soap fat, the refuse fat of kitchens, slaughter houses, etc., used in making soap. Soap liniment (Med.), a liniment containing soap, camphor, and alcohol. Soap nut, the hard kernel or seed of the fruit of the soapberry tree, -- used for making beads, buttons, etc. Soap plant (Bot.), one of several plants used in the place of soap, as the Chlorogalum pomeridianum, a California plant, the bulb of which, when stripped of its husk and rubbed on wet clothes, makes a thick lather, and smells not unlike new brown soap. It is called also soap apple, soap bulb, and soap weed. Soap tree. (Bot.) Same as Soapberry tree. Soda soap, a soap containing a sodium salt. The soda soaps are all hard soaps. Soft soap, a soap of a gray or brownish yellow color, and of a slimy, jellylike consistence, made from potash or the lye from wood ashes. It is strongly alkaline and often contains glycerin, and is used in scouring wood, in cleansing linen, in dyehouses, etc. Figuratively, flattery; wheedling; blarney. [Colloq.] Toilet soap, hard soap for the toilet, usually colored and perfumed.
Potashes
Potashes Pot"ash`es, n. pl. (Chem.) Potash. [Obs.]
Potassa
Potassa Po*tas"sa, n. [NL., fr. E. potash.] (Chem.) (a) Potassium oxide. [Obs.] (b) Potassium hydroxide, commonly called caustic potash.
Potassamide
Potassamide Pot`ass*am"ide, n. [Potassium + amide.] (Chem.) A yellowish brown substance obtained by heating potassium in ammonia.
Potassium
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). 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. 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.
Potassium bitartrate
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). 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. 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.
potassium bitartrate
Cream Cream (kr[=e]m), n. [F. cr[^e]me, perh. fr. LL. crema cream of milk; cf. L. cremor thick juice or broth, perh. akin to cremare to burn.] 1. The rich, oily, and yellowish part of milk, which, when the milk stands unagitated, rises, and collects on the surface. It is the part of milk from which butter is obtained. 2. The part of any liquor that rises, and collects on the surface. [R.] 3. A delicacy of several kinds prepared for the table from cream, etc., or so as to resemble cream. 4. A cosmetic; a creamlike medicinal preparation. In vain she tries her paste and creams, To smooth her skin or hide its seams. --Goldsmith. 5. The best or choicest part of a thing; the quintessence; as, the cream of a jest or story; the cream of a collection of books or pictures. Welcome, O flower and cream of knights errant. --Shelton. Bavarian cream, a preparation of gelatin, cream, sugar, and eggs, whipped; -- to be eaten cold. Cold cream, an ointment made of white wax, almond oil, rose water, and borax, and used as a salve for the hands and lips. Cream cheese, a kind of cheese made from curd from which the cream has not been taken off, or to which cream has been added. Cream gauge, an instrument to test milk, being usually a graduated glass tube in which the milk is placed for the cream to rise. Cream nut, the Brazil nut. Cream of lime. (a) A scum of calcium carbonate which forms on a solution of milk of lime from the carbon dioxide of the air. (b) A thick creamy emulsion of lime in water. Cream of tartar (Chem.), purified tartar or argol; so called because of the crust of crystals which forms on the surface of the liquor in the process of purification by recrystallization. It is a white crystalline substance, with a gritty acid taste, and is used very largely as an ingredient of baking powders; -- called also potassium bitartrate, acid potassium tartrate, etc.
Potassium carboxide
Carboxide Car*box"ide, n. [Carbon + oxide.] (Chem.) A compound of carbon and oxygen, as carbonyl, with some element or radical; as, potassium carboxide. Potassium carboxide, a grayish explosive crystalline compound, C6O6K, obtained by passing carbon monoxide over heated potassium.
Potassium ferrocyanide
Ferrocyanide Fer`ro*cy"a*nide (? or ?; 104), n. [Ferro- + cyanide.] (Chem.) One of a series of complex double cyanides of ferrous iron and some other base. Potassium ferrocyanide (Chem.), yellow prussiate of potash; a tough, yellow, crystalline salt, K4(CN)6Fe, the starting point in the manufacture of almost all cyanogen compounds, and the basis of the ferric ferrocyanate, prussian blue. It is obtained by strongly heating together potash, scrap iron, and animal matter containing nitrogen, as horn, leather, blood, etc., in iron pots.
Potassium permanganate
Permanganate Per*man"ga*nate, n. (Chem.) A salt of permanganic acid. Potassium permanganate. (Chem.) See Potassium permanganate, under Potassium.
Potassium permanganate
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). 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. 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.
potassium permanganate
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.) A lizardlike reptile of the genus Cham[ae]leo, of several species, found in Africa, Asia, and Europe. The skin is covered with fine granulations; the tail is prehensile, and the body is much compressed laterally, giving it a high back. Note: Its color changes more or less with the color of the objects about it, or with its temper when disturbed. In a cool, dark place it is nearly white, or grayish; on admitting the light, it changes to brown, bottle-green, or blood red, of various shades, and more or less mottled in arrangment. The American chameleons belong to Anolis and allied genera of the family Iguanid[ae]. They are more slender in form than the true chameleons, but have the same power of changing their colors. Chameleon mineral (Chem.), the compound called potassium permanganate, a dark violet, crystalline substance, KMnO4, which in formation passes through a peculiar succession of color from green to blue, purple, red, etc. See Potassium permanganate, under Potassium.
Potassoxyl
Potassoxyl Pot`ass*ox"yl, n. [Potassium + oxygen + -yl.] (Chem.) The radical KO, derived from, and supposed to exist in, potassium hydroxide and other compounds.
Red prussiate of potash
Prussiate Prus"si*ate, n. [Cf. F. prussiate.] (Chem.) A salt of prussic acid; a cyanide. Red prussiate of potash. See Potassium ferricyanide, under Ferricyanide. Yellow prussiate of potash. See Potassium ferrocyanide, under Ferrocyanide.
Yellow prussiate of potash
Prussiate Prus"si*ate, n. [Cf. F. prussiate.] (Chem.) A salt of prussic acid; a cyanide. Red prussiate of potash. See Potassium ferricyanide, under Ferricyanide. Yellow prussiate of potash. See Potassium ferrocyanide, under Ferrocyanide.

Meaning of Potas from wikipedia

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