n. [ Micro- + pegmatite. ] (Min.) A rock showing under the microscope the structure of a graphic granite (pegmatite). -- Mi`cro*peg`ma*tit"ic a. [1913 Webster]

n. [ L. parapegma, Gr. &unr_;, fr. &unr_; to fix beside; para` beside + &unr_; to fix: cf. F. parapegme. ] An engraved tablet, usually of brass, set up in a public place. [ 1913 Webster ]

☞ Parapegms were used for the publication of laws, proclamations, etc., and the recording of astronomical phenomena or calendar events. [ 1913 Webster ]

n. [ L. pegma a movable stage, Gr. ph^gma, orig., a framework. ] A sort of moving machine employed in the old pageants. [ Obs. ] B. Jonson. [ 1913 Webster ]

n. [ From Gr. &unr_; something fastened together, in allusion to the quartz and feldspar in graphic granite: cf. F. pegmatite. See Pegm. ] (Min.) (a) Graphic granite. See under Granite. (b) More generally, a coarse granite occurring as vein material in other rocks. [ 1913 Webster ]

a. (Min.) Of, pertaining to, or resembling, pegmatite; as, the pegmatic structure of certain rocks resembling graphic granite. [ 1913 Webster ]

a. [ Pegmatite + -oid. ] (Min.) Resembling pegmatite; pegmatic. [ 1913 Webster ]