We found 16 dictionaries that define the word phenocryst:

General (13 matching dictionaries)

1. phenocryst: Merriam-Webster
2. phenocryst: Oxford Learner's Dictionaries
3. phenocryst: American Heritage Dictionary of the English Language
4. phenocryst: Collins English Dictionary
5. phenocryst: Wordnik
6. phenocryst: Wiktionary
7. phenocryst: Webster's New World College Dictionary, 4th Ed.
8. phenocryst: The Wordsmyth English Dictionary-Thesaurus
9. phenocryst: Infoplease Dictionary
10. phenocryst: Dictionary.com
11. Phenocryst: Wikipedia, the Free Encyclopedia
12. phenocryst: FreeDictionary.org
13. phenocryst: TheFreeDictionary.com

Computing (1 matching dictionary)

14. phenocryst: Encyclopedia

Science (1 matching dictionary)

15. Illustrated Glossary of Geologic Terms (No longer online)

Tech (1 matching dictionary)

16. Phenocryst: Gems and Precious Stones

(Note: See phenocrystic as well.)

Definitions from Wiktionary (phenocryst) ▸ noun:  (mineralogy) Any relatively large crystal embedded in a more fine-grained or glassy igneous rock Similar: phenocrystal, microphenocryst, xenocryst, megacryst, brotocrystal, macrocryst, xenocrystal, cryptocrystalline, mesocrystal, antecryst, more... Opposite: groundmass, matrix ▸ Words similar to phenocryst ▸ Usage examples for phenocryst ▸ Idioms related to phenocryst ▸ Wikipedia articles (New!) ▸ Popular adjectives describing phenocryst ▸ Words that often appear near phenocryst ▸ Rhymes of phenocryst ▸ Invented words related to phenocryst