Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

sylvinite

noun
syl·​vin·​ite | \ ˈsilvəˌnīt\
plural -s

Definition of sylvinite

: rock that contains chiefly potassium chloride though in an impure state

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

History and Etymology for sylvinite

sylvin + -ite

Keep scrolling for more

Learn More about sylvinite

Dictionary Entries near sylvinite

sylviid

Sylviidae

sylvilagus

sylvinite

sylvite

sym

sym-

Statistics for sylvinite

Look-up Popularity

Comments on sylvinite

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

Show Comments  Hide Comments 

WORD OF THE DAY

misprision

Listen to the pronounciation of misprision

concealment of treason or felony

Get Word of the Day daily email!

Test Your Vocabulary

The Exceptions Quiz III

  • one green toy robot amidst many red toy robots
  • Which of these words does not mean "nonsense"?
True or False

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

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
Ask the Editors
Word Games