Merriam-Webster Logo
SINCE 1828
Menu
×

An Encyclopædia Britannica Company

See What's Trending Now See More Trending Words

magnesium chloride

noun

Definition of magnesium chloride

  1. :  a bitter deliquescent salt MgCl2 used especially as a source of magnesium metal

See magnesium chloride defined for kids

People Are Reading

video-title-words-of-the-year-1066
Words of the Year: 1066
image1458426927
Good Words for Strong Flavors
alt-5993066a3afad
What's the Plural of 'Maitre d''?
alt-5991e113c97b3
Trending: Trump Calls Racism 'Repugnant'

First Known Use of magnesium chloride

1866

Medical Dictionary

magnesium chloride

noun

Medical Definition of magnesium chloride

  1. :  a bitter crystalline salt MgCl2 used especially to replenish body electrolytes

Learn More about magnesium chloride

  1. Britannica.com: Encyclopedia article about magnesium chloride

Seen and Heard

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

show hide

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

perfunctory

play

done merely as a duty

Get Word of the Day daily email!

TRENDING NOW

  1. repugnant Trump clarifies his position on racism

  2. white nationalist, white supremacist Trending in 2017

  3. bereft "Lacking something needed, wanted, or expected"

  4. impanel "To choose people to serve on a jury"

  5. cosmopolitan "Worldly"

SEE ALL

BROWSE DICTIONARY

magnesium chloride

Test Your Vocabulary

Time Traveler Quiz: Which Word Came First?

  • time-traveler-quiz-which-word-came-first
  • Which came first?
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
Word Winder's CrossWinder

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!

Words at Play

image1458426927
Food Words for Strong Flavors

A tasting menu of vivid flavor descriptions

alt-5993066a3afad
What's the Plural of 'Maitre d''?

Use this word to confuse a French speaker.

alt-598dca6eb95f8
Running After the History of 'Lackey'

Are lackeys lacking something?

alt-5991b04e3d7ac
The Difference Between 'Patriotism' and 'Nationalism'

They're often not synonyms

Ask the Editors

video-title-words-of-the-year-1066
Words of the Year: 1066

Or, Why Pig Meat is Called 'Pork' and Cow Meat is Called 'Beef'

payday
How Often Is 'Biweekly'?

Don't get us started on 'bimonthly'

video-irregardless-grammar-peeve-blend-of-the-synonyms-irrespective-and-regardless
Irregardless

It is in fact a real word (but that doesn't mean you should use it).

video-moose-goose-weird-plurals
Weird Plurals

One goose, two geese. One moose, two... moose. What's up with that?

Word Games

time-traveler-quiz-which-word-came-first
Time Traveler Quiz: Which Word Came First?

Which word entered the English language first?

Take the quiz
name-more-food
Name More Food!

Test your knowledge of food vocabulary!

Take the quiz
Name That Thing
Name That Thing

Test your visual vocabulary with our 10-question challenge!

Take the quiz
Word Winder's CrossWinder
Word Winder's CrossWinder

A game of winding words.

Play the game