We found 21 dictionaries that define the word perlite:

General (16 matching dictionaries)

1. perlite: Merriam-Webster
2. perlite: Oxford Learner's Dictionaries
3. perlite: American Heritage Dictionary of the English Language
4. perlite: Collins English Dictionary
5. Perlite, perlite: Wordnik
6. perlite: Wiktionary
7. perlite: Webster's New World College Dictionary, 4th Ed.
8. perlite: The Wordsmyth English Dictionary-Thesaurus
9. perlite: Infoplease Dictionary
10. Perlite, perlite: Dictionary.com
11. Perlite: Wikipedia, the Free Encyclopedia
12. Perlite: Online Plain Text English Dictionary
13. perlite: Webster's Revised Unabridged, 1913 Edition
14. Perlite: AllWords.com Multi-Lingual Dictionary
15. perlite: FreeDictionary.org
16. perlite: TheFreeDictionary.com

Business (1 matching dictionary)

17. Construction Term Glossary (No longer online)

Computing (1 matching dictionary)

18. perlite: Encyclopedia

Medicine (1 matching dictionary)

19. online medical dictionary (No longer online)

Science (1 matching dictionary)

20. Botanical Terms (No longer online)

Tech (1 matching dictionary)

21. Roofing Terms (No longer online)

(Note: See perlitic as well.)

Definitions from Wiktionary (perlite) ▸ noun:  (mineralogy) An amorphous volcanic glass formed by the hydration of obsidian. ▸ noun:  The lightweight insulating material and aggregate resulting from expanding perlite glass by heat. Similar: pearlite, pitchstone, pearlstone, phonolite, iolite, imogolite, obsidian, praseolite, pisolite, pisolith, more... Opposite: non-perlite, obsidian, pumice, basalt, granite Adjectives: mighty, coarse, horticultural, moist, crude, fine, grade, peat, sterile, damp, more ▸ Words similar to perlite ▸ Usage examples for perlite ▸ Idioms related to perlite ▸ Wikipedia articles (New!) ▸ Popular adjectives describing perlite ▸ Words that often appear near perlite ▸ Rhymes of perlite ▸ Invented words related to perlite