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

• cotton gins
• cotton grass
• cotton grasses
• cottoning
• cotton mill
• cotton mills
• cottonmouth
• cottonmouths
• cottonocracies
• cottonocracy
• cotton on
• cotton on to
• cotton-picking
• cotton plant
• cotton plants
• cotton press
• cotton presses
• cottons
• cotton sedge
• cottonseed
• cottonseeds
• cotton spinner
• cotton spinners
• cotton stainer
• cotton stainers