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

vermiculite

play
noun ver·mic·u·lite \(ˌ)vər-ˈmi-kyə-ˌlīt\

Definition of vermiculite

  1. :  any of various micaceous minerals that are hydrous silicates resulting usually from expansion of the granules of mica at high temperatures to give a lightweight highly water-absorbent material



Origin of vermiculite

Latin vermiculus little worm


First Known Use: 1824


Learn More about vermiculite


Seen and Heard

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

WORD OF THE DAY

tending to dismiss important matters

Get Word of the Day daily email!