Origin of phenocryst
French phénocryste, from Greek phainein to show + krystallos crystal — more at fancy
First Known Use: 1893
Learn More about phenocryst
Britannica.com: Encyclopedia article about "phenocryst"
Seen and Heard
What made you want to look up phenocryst? Please tell us where you read or heard it (including the quote, if possible).