SG Heritage Dictionary

Pegm [Noun] Webster's Dictionary 1828

pem. [Gr.] A sort of moving machine in the old pageants.

Pegm [Noun] Webster's Dictionary 1913

A sort of moving machine employed in the old pageants.

Pegmatite [Noun] Webster's Dictionary 1828

Primitive granitic rock, composed essentially of lamellar feldspar and quartz; frequently with a mixture of mica. In it are found kaolin, tin tourmaline, beryl, aqua marina, tantale, scheelin and other valuable minerals.

Pegmatite [Noun] Webster's Dictionary 1913

1. Graphic granite. See under Granite.

2. More generally, a coarse granite occurring as vein material in other rocks.

Pegmatitic [Adjective] Webster's Dictionary 1913

Of, pertaining to, or resembling, pegmatite; as, the pegmatic structure of certain rocks resembling graphic granite.