Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

heulandite

play
noun heu·land·ite \ˈhyü-lən-ˌdīt\

Definition of heulandite

  1. :  a zeolite consisting of a hydrous aluminosilicate of sodium and calcium



Origin of heulandite

Henry Heuland, 19th century English mineral collector


First Known Use: 1822


Learn More about heulandite


Seen and Heard

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

WORD OF THE DAY

February 11, 2016

the holder of an office

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image33683556

How much does a batman (the Turkish unit of measurement) weigh?

100 pounds 2.2 pounds 196.5 pounds 16.96 pounds
Name That Thing

10 quick questions: hear them, spell them, and see how your skills compare to the crowd.

TAKE THE QUIZ
SCRABBLE® Sprint

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

TAKE THE QUIZ