potassium

noun, often attributive po·tas·si·um \ pə-ˈta-sē-əm \
Updated on: 12 Nov 2017

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

Recent Examples of potassium from the Web

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.

Origin and Etymology of potassium

New Latin, from potassa potash, from English potash


POTASSIUM Defined for English Language Learners

potassium

noun

Definition of potassium for English Language Learners

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


POTASSIUM Defined for Kids

potassium

noun po·tas·si·um \ pə-ˈta-sē-əm \

Definition of potassium for Students

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

Medical Dictionary

potassium

noun po·tas·si·um \ pə-ˈtas-ē-əm \

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


Seen and Heard

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

Love words? Need even more definitions?

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

WORD OF THE DAY

to remove or wipe out

Get Word of the Day daily email!

Test Your Vocabulary

Find the Cousins

  • a-large-tree-with-many-branches
  • Which pair shares a common word ancestor?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

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!