We found 26 dictionaries that define the word pegmatite:

General (20 matching dictionaries)

1. pegmatite: Merriam-Webster
2. pegmatite: Oxford Learner's Dictionaries
3. pegmatite: American Heritage Dictionary of the English Language
4. pegmatite: Collins English Dictionary
5. pegmatite: Vocabulary.com
6. pegmatite: Wordnik
7. pegmatite: Wiktionary
8. pegmatite: Webster's New World College Dictionary, 4th Ed.
9. pegmatite: The Wordsmyth English Dictionary-Thesaurus
10. pegmatite: Infoplease Dictionary
11. pegmatite: Dictionary.com
12. Pegmatite: Wikipedia, the Free Encyclopedia
13. Pegmatite: Online Plain Text English Dictionary
14. pegmatite: Webster's Revised Unabridged, 1913 Edition
15. pegmatite: Rhymezone
16. Pegmatite: AllWords.com Multi-Lingual Dictionary
17. pegmatite: Webster's 1828 Dictionary
18. pegmatite: FreeDictionary.org
19. pegmatite: Mnemonic Dictionary
20. pegmatite: TheFreeDictionary.com

Computing (1 matching dictionary)

21. pegmatite: Encyclopedia

Medicine (1 matching dictionary)

22. online medical dictionary (No longer online)

Science (2 matching dictionaries)

23. Pegmatite: Eric Weisstein's World of Chemistry
24. Illustrated Glossary of Geologic Terms (No longer online)

Slang (1 matching dictionary)

25. pegmatite: Urban Dictionary

Tech (1 matching dictionary)

26. Pegmatite: Ceramic Glossary Database

(Note: See pegmatites as well.)

Definitions from Wiktionary (pegmatite) ▸ noun:  A coarsely crystalline igneous or plutonic rock composed primarily of feldspar and quartz, normally with muscovite and/or biotite mica. Similar: pegmatoid, micropegmatite, granulite, porphyroid, migmatite, miascite, pulaskite, aplite, keratophyre, phonolite, more... Adjectives: coarse, bearing, grained, granite, muscovite, quartzose, rich, syenite, pink, white, large ▸ Words similar to pegmatite ▸ Usage examples for pegmatite ▸ Idioms related to pegmatite ▸ Wikipedia articles (New!) ▸ Popular adjectives describing pegmatite ▸ Words that often appear near pegmatite ▸ Rhymes of pegmatite ▸ Invented words related to pegmatite