Digram

[Gr. di for dis, and gramma, letter.] A diagraph. Digraph, ( dī'graf ,) n. [Gr. dis , twice, and graphō , to write. (Gram.) Two vowel letters in a syllable, which represent but one sound, as in the words head , friend, .; a digram. Digre ', v . n. [Lat. digre or, digre us -dis, and gra dior , to walk.] To go from the right way or road; to deviate; to wander; to transgre . "Thy noble shape is but a form of wax. Digre ing from the valour of a man." Shaks. "My digre ion is so vile, so base, That it will live engraven in my face."-Shaks. manner of digre ion. Digre ively, adv . By way of digre ion; after the Digyn'ian, Dig'ynous, a . ( Bot .) Po e ing two Dihedral, a . [Gr. dis , double, and hedra , a side.] Hav pistils or styles. ing two sides or surfaces, as a figure. Dihedral angle. (Geom.) The mutual inclination of two intersecting planes; or, more accurately, the quan tity of turning , around the intersection of two planes, which would be required to make one coincide with the other. It is obviously equal to the angle between the two lines drawn one in each plane, from any point of, Dihe'dron, n. (Geom.) A figure with two sides or surand perpendicular to, the intersection of the two planes. Dihexagonal, a. [Gr. di , for dis , and hexagonal .] Formed of a union of two hexagonal parts. Dihexahedral, a . [Gr. di , for dis , and hezahedral .] (Crystall.) That has the form of a hexahedral prism with trihedral summits. faces.