potassium

[ puh-tas-ee-uhm ]

/ pəˈtæs i əm /

noun Chemistry.

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; atomic weight: 39.102; atomic number: 19; specific gravity: 0.86 at 20°C.

Origin of potassium

From New Latin, dating back to 1800–10; see origin at potassa, -ium

Words nearby potassium

potash alum, potash feldspar, potass, potassa, potassic, potassium, potassium-40, potassium-42, potassium-43, potassium acetate, potassium antimonate

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for potassium

It takes around 48 hours for a patient poisoned with potassium to die, which gave Poggiali plenty of distance from the deaths.
Nurse Nasty Suspected of Killing 38 People in Italy|Barbie Latza Nadeau|October 15, 2014|DAILY BEAST
The summertime staple is also a good source of potassium, vitamin A and vitamin C. 2.
10 Ways to Stay Hydrated (That Aren’t Water)|DailyBurn|July 25, 2014|DAILY BEAST
Unlike sports beverages, coconut water is low in carbohydrates, while still rich in potassium.
10 Ways to Stay Hydrated (That Aren’t Water)|DailyBurn|July 25, 2014|DAILY BEAST
They also have potassium for hydration and iron for healthy circulation.
Mushrooms Are Magic for Women Trying to Lose Weight|Liza Gates|May 22, 2014|DAILY BEAST

Feel good about using cottage cheese as a dip because it delivers calcium, quality protein and potassium.
6 Ways to Avoid ‘Sochi Gut’ While Watching the Olympics|Jenna A. Bell|February 12, 2014|DAILY BEAST
By this any free sulphur would be converted into a soluble sulphate of Potassium.
The Action of Medicines in the System|Frederick William Headland
It is also made by melting the ferrocyanide of potassium with sulphide of potassium.
Scientific American Supplement, No. 483, April 4, 1885|Various
By far the most important of the conjugate sulphates and representative of the group is potassium indoxyl sulphate.
A Manual of Clinical Diagnosis|James Campbell Todd
Iodide of potassium in large doses (60 to 90 grains) three times a day, is also to be given.
Surgery, with Special Reference to Podiatry|Maximilian Stern
The action of the salts of potassium on the blood is the same as that of sodium salts.
Poisons: Their Effects and Detection|Alexander Wynter Blyth

British Dictionary definitions for potassium

potassium

/ (pəˈtæsɪəm) /

noun

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

Derived forms of potassium

potassic, adjective

Word Origin for potassium

C19: New Latin potassa potash

Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Medical definitions for potassium

potassium

[ pə-tăs′ē-əm ]

n. Symbol K

A soft, highly or explosively reactive metallic element that occurs in nature only in compounds and is found in or converted to a wide variety of salts used especially in fertilizers and soaps. Its radioisotopes are used in various diagnostic studies, including myocardial scans, detection and localization of tumors, determination of intracellular fluid space, and determination of renal blood flow. Atomic number 19.kalium

Other words from potassium

po•tas′sic adj.

Scientific definitions for potassium

potassium

[ pə-tăs′ē-əm ]

K

A soft, highly reactive, silvery-white metallic element of the alkali group occurring in nature only in compounds. It is essential for the growth of plants and is used especially in fertilizers and soaps. Atomic number 19; atomic weight 39.098; melting point 63.65°C; boiling point 774°C; specific gravity 0.862; valence 1. See Periodic Table.

单词	potassium
释义	potassium [ puh-tas-ee-uhm ] / pəˈtæs i əm / noun Chemistry. 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; atomic weight: 39.102; atomic number: 19; specific gravity: 0.86 at 20°C. Origin of potassium From New Latin, dating back to 1800–10; see origin at potassa, -ium Words nearby potassium potash alum, potash feldspar, potass, potassa, potassic, potassium, potassium-40, potassium-42, potassium-43, potassium acetate, potassium antimonate Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for potassium It takes around 48 hours for a patient poisoned with potassium to die, which gave Poggiali plenty of distance from the deaths. Nurse Nasty Suspected of Killing 38 People in Italy\|Barbie Latza Nadeau\|October 15, 2014\|DAILY BEAST The summertime staple is also a good source of potassium, vitamin A and vitamin C. 2. 10 Ways to Stay Hydrated (That Aren’t Water)\|DailyBurn\|July 25, 2014\|DAILY BEAST Unlike sports beverages, coconut water is low in carbohydrates, while still rich in potassium. 10 Ways to Stay Hydrated (That Aren’t Water)\|DailyBurn\|July 25, 2014\|DAILY BEAST They also have potassium for hydration and iron for healthy circulation. Mushrooms Are Magic for Women Trying to Lose Weight\|Liza Gates\|May 22, 2014\|DAILY BEAST Feel good about using cottage cheese as a dip because it delivers calcium, quality protein and potassium. 6 Ways to Avoid ‘Sochi Gut’ While Watching the Olympics\|Jenna A. Bell\|February 12, 2014\|DAILY BEAST By this any free sulphur would be converted into a soluble sulphate of Potassium. The Action of Medicines in the System\|Frederick William Headland It is also made by melting the ferrocyanide of potassium with sulphide of potassium. Scientific American Supplement, No. 483, April 4, 1885\|Various By far the most important of the conjugate sulphates and representative of the group is potassium indoxyl sulphate. A Manual of Clinical Diagnosis\|James Campbell Todd Iodide of potassium in large doses (60 to 90 grains) three times a day, is also to be given. Surgery, with Special Reference to Podiatry\|Maximilian Stern The action of the salts of potassium on the blood is the same as that of sodium salts. Poisons: Their Effects and Detection\|Alexander Wynter Blyth British Dictionary definitions for potassium potassium / (pəˈtæsɪəm) / noun 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 Derived forms of potassium potassic, adjective Word Origin for potassium C19: New Latin potassa potash Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012 Medical definitions for potassium potassium [ pə-tăs′ē-əm ] n. Symbol K A soft, highly or explosively reactive metallic element that occurs in nature only in compounds and is found in or converted to a wide variety of salts used especially in fertilizers and soaps. Its radioisotopes are used in various diagnostic studies, including myocardial scans, detection and localization of tumors, determination of intracellular fluid space, and determination of renal blood flow. Atomic number 19.kalium Other words from potassium po•tas′sic adj. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company. Scientific definitions for potassium potassium [ pə-tăs′ē-əm ] K A soft, highly reactive, silvery-white metallic element of the alkali group occurring in nature only in compounds. It is essential for the growth of plants and is used especially in fertilizers and soaps. Atomic number 19; atomic weight 39.098; melting point 63.65°C; boiling point 774°C; specific gravity 0.862; valence 1. See Periodic Table. The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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