pegmatite /pegˈmə-tīt/

1. Graphic granite, a granite with markings like Hebrew characters
2. A very coarsely crystallized granite, as in dykes and veins (geology)
3. Any very coarse-grained igneous rock occurring in this manner

pegmatitic /-titˈik/ adjective

• speculator
• speculators
• speculatory
• speculatrices
• speculatrix
• speculatrixes
• speculum
• speculum metal
• speculum metals
• sped
• speech
• speech act
• speech acts
• speech communities
• speech community
• speechcraft
• speechcrafts
• speech-crier
• speech-criers
• speech day
• speech days
• speeched
• speeches
• speechful
• speechfulness