Holographic

Pertaining or relating to holographs; character holograph. Holohe'dral, a. [Gr. holos, and hedra, base.] ( Min.) Having all the similar angles similarly replaced. Holom'eter, n. [Gr. holos, and metron, measure.] A Holopty'chi us, n. [Gr. holos, entire; ptyche, wrinkle-literally, "all-wrinkle."] ( Pal.) A genus of sauroid fishes, belonging to the Devonian and Carboniferous periods. Their enamelled scales have corrugated or wrinkled surfaces, and this character suggested the generic name. The Holoptychii, judging from their fragmentary remains, must have been of great size from 8 to 10, or even 12 feet in length. They were armed with numerous sharp-pointed fish-teeth, and also with larger reptilian teeth of conical form, placed at intervals in either jaw, evidently for the purpose of seizing and cutting up their bulkier prey. mathematical instrument for taking measures.