Di"a*gram, v. t. To put into the form of a diagram.
Di`a*gram*mat"ic (?), a. Pertaining to, or of the nature of, a diagram; showing by diagram. -- Di`a*gram*mat"ic*ly (#), adv.
Di"a*graph (?), n. [Gr. &?; to draw: cf. F. diagraphe. See Diagram.] A drawing instrument, combining a protractor and scale.
{ Di`a*graph"ic (?), Di`a*graph"ic*al (?), } a. [Cf. F. diagraphique.] Descriptive.
Di`a*graph"ics (?), n. The art or science of descriptive drawing; especially, the art or science of drawing by mechanical appliances and mathematical rule.
Di`a*he`li*o*trop"ic (?), a. [Gr. &?; through, at variance + &?; sun + &?; turning.] (Bot.) Relating or, or manifesting, diaheliotropism.
Di`a*he`li*ot"ro*pism (?), n. (Bot.) A tendency of leaves or other organs of plants to have their dorsal surface faced towards the rays of light.
Di"al (?), n. [LL. dialis daily, fr. L. dies day. See Deity.] 1. An instrument, formerly much used for showing the time of day from the shadow of a style or gnomon on a graduated arc or surface; esp., a sundial; but there are lunar and astral dials. The style or gnomon is usually parallel to the earth's axis, but the dial plate may be either horizontal or vertical.
2. The graduated face of a timepiece, on which the time of day is shown by pointers or hands.