potassium

noun, often attributive
po·​tas·​si·​um | \ pə-ˈta-sē-əm How to pronounce potassium (audio) \

Definition of potassium

: a silver-white soft light low-melting monovalent metallic element of the alkali metal group that occurs abundantly in nature especially combined in minerals — see Chemical Elements Table

Examples of potassium in a Sentence

Recent Examples on the Web

Help lower blood pressure: The potassium, calcium, and magnesium in kale and other veggies help counterbalance the effects of sodium that can lead to hypertension. Jaclyn London, Ms, Rd, Cdn, Good Housekeeping, "Kale Is Actually One of the Healthiest Things You Can Eat," 17 Dec. 2018 The sodium-potassium pump is an important key to the charging and recharging, and blocking its action can make the body numb to sensation. Martin Weil, Washington Post, "Jens Christian Skou, who received Nobel Prize for chemistry, dies at 99," 3 June 2018 All include vitamins and nutrients (such as calcium, iron, omega-3s, potassium, vitamin A and vitamin C) that are recommended for expecting and breastfeeding moms. Karla Walsh, Woman's Day, "The Best Breastfeeding Diet," 25 Feb. 2019 This tropical fruit contains two important electrolytes, potassium and magnesium, plus antioxidants that prevent inflammation and actinidin, an enzyme that helps with protein digestion. NBC News, "8 summer superfoods to eat after a tough workout," 11 July 2018 Collingwood also cites micronutrient deficiencies in B vitamins, iron, magnesium, selenium and potassium as a potential pitfall of keto eating, along with a chance of ketoacidosis. Katie Parsons, OrlandoSentinel.com, "Ketogenic diet popular for weight loss," 13 June 2018 Add a bit of wood ash, if handy, because its rich supply of potassium enhances root growth. The Editors, Good Housekeeping, "How to Grow Beets This Fall for a Hearty Autumn Harvest," 21 Aug. 2018 Radiation is everywhere, from potassium in bananas to the microwaves popping our popcorn. Ellen Knickmeyer, The Seattle Times, "APNewsBreak: EPA says a little radiation may be healthy," 2 Oct. 2018 Those three numbers signify the amount of nitrogen, phosphorous and potassium in the fertilizer, in that order. Roy Berendsohn, Popular Mechanics, "How to Mulch Leaves With a Lawn Mower," 20 Sep. 2018

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'potassium.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of potassium

circa 1807, in the meaning defined above

History and Etymology for potassium

New Latin, from potassa potash, from English potash

Keep scrolling for more

Learn More about potassium

Statistics for potassium

Last Updated

6 Apr 2019

Look-up Popularity

Time Traveler for potassium

The first known use of potassium was circa 1807

See more words from the same year

Keep scrolling for more

More Definitions for potassium

potassium

noun

English Language Learners Definition of potassium

: a soft, silver-white metal that is used especially in farming and industry

potassium

noun
po·​tas·​si·​um | \ pə-ˈta-sē-əm How to pronounce potassium (audio) \

Kids Definition of potassium

: a silvery soft light metallic chemical element found especially in minerals

potassium

noun
po·​tas·​si·​um | \ pə-ˈtas-ē-əm How to pronounce potassium (audio) \

Medical Definition of potassium

: a silver-white soft light low-melting monovalent metallic element of the alkali metal group that occurs abundantly in nature especially combined in minerals symbol K — see Chemical Elements Table

Keep scrolling for more

More from Merriam-Webster on potassium

Spanish Central: Translation of potassium

Nglish: Translation of potassium for Spanish Speakers

Britannica English: Translation of potassium for Arabic Speakers

Britannica.com: Encyclopedia article about potassium

Comments on potassium

What made you want to look up potassium? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

likely to have or produce good results

Get Word of the Day daily email!

Test Your Vocabulary

Words from Greek and Latin Quiz

  • roman forum
  • Which of the following months comes from a Latin word for “ten”?
True or False

Test your knowledge - and maybe learn something along the way.

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!