potassium

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po·tas·si·um

 (pə-tăs′ē-əm)
n. Symbol K
A soft, silver-white, extremely reactive element that is an alkali metal, is essential to plant and animal cell functions, and occurs in nature only in compounds. It can be obtained by electrolysis of its hydroxide and is found in, or converted to, a wide variety of salts used especially in fertilizers and soaps. Atomic number 19; atomic weight 39.098; melting point 63.5°C; boiling point 759°C; specific gravity 0.86; valence 1. See Periodic Table.

[From earlier potass, potash (from which it was first obtained), from French potasse, from Dutch potas : pot, pot (from Middle Dutch; akin to Old English pott) + as, ash (from Middle Dutch asche; see as- in Indo-European roots).]

po·tas′sic adj.

potassium

(pəˈtæsɪəm)
n
(Elements & Compounds) a light silvery element of the alkali metal group that is highly reactive and rapidly oxidizes in air; occurs principally in carnallite and sylvite. It is used when alloyed with sodium as a cooling medium in nuclear reactors and its compounds are widely used, esp in fertilizers. Symbol: K; atomic no: 19; atomic wt: 39.0983; valency: 1; relative density: 0.862; melting pt: 63.71°C; boiling pt: 759°C
[C19: New Latin potassa potash]
poˈtassic adj

po•tas•si•um

(pəˈtæs i əm)

n.
a silvery white metallic element that oxidizes rapidly in the air and whose compounds are used as fertilizer and in special hard glasses. Symbol: K; at. wt.: 39.102; at. no.: 19; sp. gr.: 0.86 at 20°C.
[1800–10; < New Latin potass(a) (< French potasse < Dutch potasch potash) + -ium -ium2]

po·tas·si·um

(pə-tăs′ē-əm)
Symbol K A soft, highly reactive, silvery-white metallic element that is an alkali metal and occurs in nature only in compounds. It is essential for the growth of plants and is used especially in fertilizers and soaps. Atomic number 19. See Periodic Table.
ThesaurusAntonymsRelated WordsSynonymsLegend:
Noun1.potassium - a light soft silver-white metallic element of the alkali metal grouppotassium - a light soft silver-white metallic element of the alkali metal group; oxidizes rapidly in air and reacts violently with water; is abundant in nature in combined forms occurring in sea water and in carnallite and kainite and sylvite
metal, metallic element - any of several chemical elements that are usually shiny solids that conduct heat or electricity and can be formed into sheets etc.
carnallite - a white or reddish mineral consisting of hydrous chlorides of potassium and magnesium; used as a fertilizer and as a source of potassium and magnesium
kainite - a white mineral consisting of magnesium sulphate and potassium chloride; a source of potassium salts; used as a fertilizer
langbeinite - a mineral consisting of potassium magnesium double sulphate; used as a fertilizer
brine, saltwater, seawater - water containing salts; "the water in the ocean is all saltwater"
sylvine, sylvite - a mineral consisting of native potassium chloride; an important ore of potassium that is found in sedimentary beds
Translations
kalium
بوتاسيوم
калий
potassi
draslík
kalium
kalio
kaalium
پتاسيم
kalium
אשלגן
kalij
kálium
kaliumpotassium
kalium
kalínkalíum
カリウム
칼륨
kalium
kalis
kālijs
kaliupotasiu
draslík
kalij
калијум
kalium
โพแทสเซียม
калій
kali

potassium

[pəˈtæsɪəm]
A. Npotasio m
B. CPD potassium cyanide Ncianuro m de potasio
potassium nitrate Nnitrato m de potasio
potassium sulphate Nsulfato m potásico

potassium

[pəˈtæsiəm]
npotassium m
modif [chloride, fluoride, carbonate] → de potassium; [supplement] → de potassium; [deficiency] → en potassium
potassium deficiency → carence en potassium

potassium

nKalium nt

potassium

[pəˈtæsɪəm] npotassio

potassium

(pəˈtӕsiəm) noun
a silvery-white element.

po·tas·si·um

n. potasio, mineral que se encuentra en el cuerpo combinado con otros, esencial en la conducción de impulsos nerviosos y actividad muscular.

potassium

n potasio; — chloride cloruro potásico or de potasio; — hydroxide hidróxido potásico or de potasio
References in periodicals archive ?
While the market in this region is expected to benefit from visibly increasing de-icing operational activities in snow prone airports in the region, it will also remain influenced by the growing preference of manufacturers for potassium formate over other de-icing salts, such as potassium acetate, and sodium formate, among others.
Tenders are invited for Potassium Acetate Deicing LiquidT.
"We don't have a large operating budget to increase, so for us to switch from sand to potassium acetate is going to be very costly," said Bos.
Potassium can be administered as potassium chloride, potassium phosphate, potassium bicarbonate potassium gluconate or its precursors (potassium citrate, potassium acetate) (7, 8).
A wet Potassium Acetate, low pH based agent is used for this class of fire.
The lowest shear stress in all temperatures from single-phase products indicates sample obtained with potassium acetate used as catalyst.
There are a number of acetates that work similarly as well, such as calcium magnesium or potassium acetate. You may even choose a blend with urea, which is commonly used as a nitrogen fertilizer but also has melting properties.
30, when it was discovered potassium acetate was delivered instead of potassium chloride, which is on the state's court-approved execution procedure.
Child murderer Charles Warner, 47, got a lethal jab in January with potassium acetate instead of potassium chloride, it has emerged As he died he said he felt like he was "on fire".
The job of getting ready for winter is not complete until the snow removal team tops up its 10,567 US gallon (40,000 lit) tank of liquid potassium acetate. During icy conditions it is laid down in a 100ft (31m) wide swathe, usually on runways but also anywhere else it is needed, by a Tyler Ice liquid de-icer spreader that can carry 3,963 gal (15,000 lit).
A mixture of 2,5-dimethoxytetrahydrofuran (Lancaster England, 2.0 ml, 15.0 mmol), 2thiophenecarboxaldehyde (Lancaster England, 9.0 g, 80.2 mmol) acetic acid (Analar England, 3.0 mol), water (3.0 mol) and potassium acetate (May and Baker England, 5.0 g) in a round bottomed flask was heated in nitrogen atmosphere under reflux overnight.