Dilute, dil-ūt′, v.t. to make thinner or more liquid: to diminish the strength, flavour, &c. of, by mixing, esp. with water.—v.i. to become mixed.—adj. diminished in strength by mixing with water.—adj. Dil′uent, diluting.—n. that which dilutes.—ns. Dilute′ness; Dilū′tion. [L. diluĕre, dilūtum—di, away from, luĕre, to wash.]
Diluvium, dil-ū′vi-um, n. an inundation or flood: (geol.) a deposit of sand, gravel, &c. made by extraordinary currents of water—also Dilū′vion.—adjs. Dilū′vial, Dilū′vian, pertaining to a flood, esp. that in the time of Noah: caused by a deluge: composed of diluvium.—n. Dilū′vialist, one who explains geological phenomena by the Flood. [L. diluvium—diluĕre.]
Dim, dim, adj. not bright or distinct: obscure: mysterious: not seeing clearly.—v.t. to make dark: to obscure.—v.i. to become dim:—pr.p. dim′ming; pa.p. dimmed.—adv. Dim′ly.—adj. Dim′mish, somewhat dim.—n. Dim′ness. [A.S. dim; akin to Ice. dimmr, dark, and Ger. dämmerung, twilight.]
Dime, dīm, n. the tenth part of an American dollar, 10 cents, nearly equal to 5d.—Dime museum, a cheap show; Dime novel, a cheap novel, usually sensational. [Fr., orig. disme, from L. decima (pars, a part, being understood), a tenth part.]
Dimension, di-men′shun, n. usually in pl., measure in length, breadth, and thickness (the three dimensions of space): extent: size.—adjs. Dimen′sional, concerning dimension (one-dimensional, two-dimensional, three-dimensional space = space of one, two, three dimensions); Dimen′sioned, having dimension; Dimen′sionless.—Dimension work, masonry in stones of specified size.—Fourth dimension, an additional dimension attributed to space by a hypothetical speculation. [Fr.,—L. dimensio—dimetīri, dimensus—di(= dis), apart, metīri, to measure.]
Dimerous, dim′e-rus, adj. consisting of two parts: (bot.) with two members in each whorl: (entom.) having two-jointed tarsi.—n. Dim′erism. [Gr., di-, double, meros, a part.]
Dimeter, dim′e-tėr, adj. containing two metres or measures.—n. a verse of two measures. [L.,—Gr. dimetros—di-, twice, metron, a measure.]
Dimethylaniline, di-meth-il-an′i-lin, n. an oily liquid: aniline heated with methyl alcohol and hydrochloric acid—from which dyes are obtained. [L. di-, twice, methyl, and aniline.]
Dimetric, dī-met′rik, adj. (crystal.) tetragonal.
Dimidiate, di-mid′i-āt, adj. divided into halves: having a shape that appears as if halved.—v.t. (her.) to represent the half of.—n. Dimidiā′tion. [L. dimidiāre, -ātum, to halve—dimidius; half—dis, twice, medius, the middle.]