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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.


(pəˈtæs ɪk)

of, pertaining to, or containing potassium.


adj (Chem) → Kalium-, Kali-
References in periodicals archive ?
They are located in the Alsace potassic basin, covering an area of ?
Based on Fertilizers, it is further categorized into Nitrogenous, Phosphatic and Potassic fertilizers.
The recently completed fourth hole, collared 600 meters west-southwest of GC-15-03 and 800 meters southwest of GC-15-01, was drilled adjacent to outcrop displaying intense potassic alteration and quartz veining containing chalcopyrite with traces of malachite and bornite.
ISLAMABAD -- Federal Minister for Industries and Production Ghulam Murtaza Jatoi on Tuesday said the subsidy package worth Rs 20 billion on Phosphatic and Potassic Fertilizers, specifically diammonium phosphate (DAP) would provide relief to farmers across the country.
Agrochemicals Market by Type (Fertilizers, Pesticides), by Fertilizer Type (Nitrogenous, Potassic, Phosphatic), by Pesticide Type (Organophosphates, Pyrethroids, Neonicotinoides, Bio-Pesticides), & Sub-types - Global Market Trends & Forecast to 2018
The cabinet also reduced Subsidy in Nutrient Based rates for Phosphatic and Potassic fertilizers for the year 2013-14.
Located just north of A-16, the Aurora deposit is aligned to the northwest and situated at the distal end of a regional scale potassic alteration zone, which extends southeast onto A-16.
Most samples indicated widespread hydrothermal alteration consisting of argillic and potassic alteration and the formation of extensive quartz breccias.
The two holes were drilled from a new platform in an area of coincident gold-in-soil anomalies and potassic alteration of basalt.
Azhagiri opposed finance ministry's proposal to implement the nutrient- based subsidy ( NBS) policy on decontrolled phosphatic and potassic fertiliser on the basis that it might result in a hike in fertiliser prices.
The main alteration is weak potassic with overprints
There was also a sizeable increase in the sales of phosphatic and potassic fertilizers as the Company continued its efforts to promote balanced fertilization.