First Known Use: 1824
Dictionary
vermiculite
noun ver·mic·u·lite \(ˌ)vər-ˈmi-kyə-ˌlīt\
Definition of VERMICULITE
: 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
![](/styles/default/images/reference/external.jpg)
ADVERTISEMENT
Origin of VERMICULITE
Latin vermiculus little worm
Learn More About VERMICULITE
Browse
Next Word in the Dictionary: vermiculturePrevious Word in the Dictionary: vermiculeAll Words Near: vermiculite
ADVERTISEMENT
Seen & Heard
What made you want to look up vermiculite? Please tell us where you read or heard it (including the quote, if possible).