Webster's Revised Unabridged Dictionary -- Volume DE

Di"a- (?), Di- . [Gr. δια through; orig., dividing into two parts; akin to ? two. See Two, and cf. 1st Di-.] A prefix denoting through; also, between, apart, asunder, across. Before a vowel dia-becomes di-; as, diactinic; dielectric, etc.

Di"a·base (?), n. [F. diabase, fr. Gr. ? a crossing or passing over, fr. ?; ? + ? to go; -- so called by Brongniart, because it passes over to diorite.] (Min.) A basic, dark-colored, holocrystalline, igneous rock, consisting essentially of a triclinic feldspar and pyroxene with magnetic iron; -- often limited to rocks pretertiary in age. It includes part of what was early called greenstone.

Di·ab`a·te"ri·al (?), a. [Gr. ? ? (sc. ?) offerings before crossing the border, fr. ? to pass over. See Diabase.] Passing over the borders. [R.] Mitford.

Di`a·be"tes (?), n. [NL., from Gr. ?, fr. ? to pass or cross over. See Diabase.] (Med.) A disease which is attended with a persistent, excessive discharge of urine. Most frequently the urine is not only increased in quantity, but contains saccharine matter, in which case the disease is generally fatal.

-- Diabetes mellitus [NL., sweet diabetes], that form of diabetes in which the urine contains saccharine matter.

-- Diabetes insipidus [NL., lit., diabetes], the form of diabetes in which the urine contains no abnormal constituent.

Di`a·bet"ic (?), Di`a·bet"ic·al (?), a. Pertaining to diabetes; as, diabetic or diabetical treatment. Quian.

-- Diabetic sugar. (Chem.) Same as Dextrose.

Dia`ble·rie" (?), Di·ab"le·y (?), n. [F. diablerie, fr. diable devil, L. diabolus. See Devil.] Devilry; sorcery or incantation; a diabolical deed; mischief.

Di`a·bol"ic (?), Di`a·bol"ic·al (?), a. [L. diabolicus, Gr. ? devilish, slanderous: cf. F. diabolique. See Devil.] Pertaining to the devil; resembling, or appropriate, or appropriate to, the devil; devilish; infernal; impious; atrocious; nefarious; outrageously wicked; as, a diabolic or diabolical temper or act. "Diabolic power." Milton. "The diabolical institution." Motley.

-- Di`a·bol"ic·al·ly, adv.

-- Di`a·bol"ic·al·ness, n.