Digress, di-gres′, v.i. to step aside or go from the main subject: to introduce irrelevant matter.—n. Digres′sion, a going from the main point: a part of a discourse not upon the main subject.—adjs. Digres′sional, Digress′ive, of the nature of a digression: departing from the main subject.—adv. Digress′ively. [L. digredi, digressus—di, aside, gradi, to step. See Grade.]
Digynia, dī-jin′i-a, n. an order of plants having in the flower two styles or a deeply cleft style.—adjs. Digyn′ian, Dig′ynous. [Gr. dis, twice, and gynē, a woman.]
Dihedral, dī-hē′dral, adj. having two sides, or two plane faces—also Diē′dral.—n. Dihē′dron. [Gr. di-, two, hedra, a seat.]
Dihexagonal, dī-heks-ag′ō-nal, adj. twelve-sided.
Dihexahedral, dī-heks-a-hē′dral, adj. pertaining to a six-sided prism having three planes on the extremities.—n. Dihexahē′dron.
Dijudicate, dī-jōō′di-kāt, v.t. and v.i. to judge between two: to decide.—n. Dijudicā′tion. [L. di, asunder, and judicāre, judge.]
Dike, dīk, n. a trench, or the earth dug out and thrown up: a ditch: a mound raised to prevent inundation: in Scotland, a wall (Dry-stane dike, a wall without mortar; Fail-dike, a wall of turf), sometimes even a thorn-hedge: (geol.) a wall-like mass of igneous rock in the fissures of stratified rocks.—v.t. to surround with a dike or bank. [A.S. díc; Dut. dijk, Ger. teich, a pond; perh. conn. with Gr. teichos, a wall or rampart. See Dig, Ditch.]
Dilacerate, di-las′ėr-āt, v.t. to rend or tear asunder.—n. Dilacerā′tion. [L. di, asunder, and lacerate.]
Dilapidate, di-lap′i-dāt, v.t. to pull stone from stone: to lay waste: to suffer to go to ruin.—adj. Dilap′idated, in ruins.—ns. Dilapidā′tion, the state of ruin: impairing of church property during an incumbency: (pl.) money paid at the end of an incumbency by the incumbent or his heirs for the purpose of putting the parsonage, &c. in good repair for the succeeding incumbent; Dilap′idator. [L. dilapidāre—di, asunder, lapis, lapidis, a stone.]
Dilate, di-lāt′, v.t. to spread out in all directions: to enlarge: the opposite of contract.—v.i. to widen: to swell out: to speak at length.—ns. Dilātabil′ity, Dilāt′ancy, Dilatā′tion, Dilā′tion, expansion.—adjs. Dilāt′able, that may be dilated or expanded; Dilā′tant.—ns. Dī′latātor, Dilāt′or, Dilāt′er.—adj. Dilāt′ive. [L. dilatus (used as pa.p. of differre), from di (= dis), apart, and latus, borne.]