Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

thaumasite

noun
thau·ma·site | \ ˈthȯməˌsīt \
plural -s

Definition of thaumasite 

: a white mineral Ca4Al6Si6O24(SO4,CO3,Cl2) consisting of a basic silicate, carbonate, and sulfate of calcium (hardness 3.5, specific gravity 1.88)

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 thaumasite

International Scientific Vocabulary thaumas- (from Greek thaumasios wondrous, from thauma miracle, wonder) + -ite

Keep scrolling for more

Learn More about thaumasite

Share thaumasite

Resources for thaumasite

Cite Time Traveler Time Traveler! Explore the year a word first appeared

Dictionary Entries near thaumasite

that will do

that will/should do it

thau

thaumasite

thaumatology

thaumatrope

thaumaturge

Statistics for thaumasite

Look-up Popularity

Comments on thaumasite

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

Show Comments  Hide Comments 

WORD OF THE DAY

viva voce

by word of mouth

Get Word of the Day daily email!

Test Your Vocabulary

Name that Food Quiz

  • alt-573b465788319
  • Name these cookies!
Spell It

Can you spell these 10 commonly misspelled words?

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!

Words at Play

Ask the Editors

Word Games