perlite

[pur-lahyt]

per·lite

[pur-lahyt]
noun Petrography.
a volcanic glass in which concentric fractures impart a distinctive structure resembling masses of small spheroids, used as a plant growth medium.
Also, pearlite.


Origin:
1825–35; < French; see pearl1, -ite1

per·lit·ic [pur-lit-ik] , adjective
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2012.
Cite This Source Link To perlite

00:10

00:09

00:08

00:07

00:06

00:05

00:04

00:03

00:02

00:01

Perlite is always a great word to know.
So is doohickey. Does it mean:
a gadget; dingus; thingumbob.
a calculus or concretion found in the stomach or intestines of certain animals, esp. ruminants, formerly reputed to be an effective remedy for poison.
Collins
World English Dictionary
perlite or pearlite (ˈpɜːlaɪt)
 
n
a variety of obsidian consisting of masses of small pearly globules: used as a filler, insulator, and soil conditioner
 
[C19: from French, from perlepearl1]
 
pearlite or pearlite
 
n
 
[C19: from French, from perlepearl1]
 
perlitic or pearlite
 
adj
 
pearlitic or pearlite
 
adj

Collins English Dictionary - Complete & Unabridged 10th Edition
2009 © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009
Cite This Source
Dictionary.com, LLC. Copyright © 2012. All rights reserved.
  • Please Login or Sign Up to use the Recent Searches feature
FAVORITES
RECENT