Part 303

||Dip*so"sis (?), n. [NL., fr. Gr. &?; thirst.] (Med.) Excessive thirst produced by disease.

||Dip"te*ra (?), n. pl. [NL., fr. Gr. &?; with two wings, di- = di`s- twice + &?; feather, wing: cf. F. diptère.] (Zoöl.) An extensive order of insects having only two functional wings and two balancers, as the house fly, mosquito, etc. They have a suctorial proboscis, often including two pairs of sharp organs (mandibles and maxillæ) with which they pierce the skin of animals. They undergo a complete metamorphosis, their larvæ (called maggots) being usually without feet.

Dip"ter*al (?), a. 1. (Zoöl.) Having two wings only; belonging to the order Diptera.

2. (Anc. Arch.) Having a double row of columns on each on the flanks, as well as in front and rear; -- said of a temple.

Dip"ter*an (?), n. (Zoöl.) An insect of the order Diptera.

||Dip`te*ro*car"pus (?), n. [NL., fr. Gr. &?; with two wings + &?; fruit.] (Bot.) A genus of trees found in the East Indies, some species of which produce a fragrant resin, other species wood oil. The fruit has two long wings.

Dip"ter*ous (?), a. 1. (Zoöl.) Having two wings, as certain insects; belonging to the order Diptera.

2. (Bot.) Having two wings; two- winged.

Dip`ter*yg"i*an (?), a. [Gr. di- = di`s- twice + &?; a fin, dim. of &?; wing.] (Zoöl.) Having two dorsal fins; -- said of certain fishes.

Dip"tote (?), n. [Gr. &?;; di- = di`s- twice + &?; falling, fr. &?; to fall: cf. F. diptote.] (Gram.) A noun which has only two cases. Andrews.

Dip"tych (?), n. [L. diptycha, pl., fr. Gr. &?; folded, doubled; di- = di`s- twice + &?; to fold, double up.] 1. Anything consisting of two leaves. Especially: (a) (Roman Antiq.) A writing tablet consisting of two leaves of rigid material connected by hinges and shutting together so as to protect the writing within. (b) A picture or series of pictures painted on two tablets connected by hinges. See Triptych.

2. A double catalogue, containing in one part the names of living, and in the other of deceased, ecclesiastics and benefactors of the church; a catalogue of saints.

Di*pyre" (?), n. [Gr. di- = di`s- twice fire.] (Min.) A mineral of the scapolite group; -- so called from the double effect of fire upon it, in fusing it, and rendering it phosphorescent.

Di`py*re"nous (?), a. [Pref. di- + pyrene.] (Bot.) Containing two stones or nutlets.

Di*pyr"i*dine (?; 104), n. [Pref. di- + pyridine.] (Geom.) A polymeric form of pyridine, C10H10N2, obtained as a colorless oil by the action of sodium on pyridine.

Di*pyr"i*dyl (?), n. [Pref. di- + pyridine + -yl.] (Chem.) A crystalline nitrogenous base, C10H8N2, obtained by the reduction of pyridine.

Di*ra`di*a"tion (?), n. [Pref. di- + radiation.] The emission and diffusion of rays of light.

Dire (dr), a. [Compar. Direr (?); superl. Direst.] [L. dirus; of uncertain origin.] 1. Ill-boding; portentous; as, dire omens.

2. Evil in great degree; dreadful; dismal; horrible; terrible; lamentable.

Dire was the tossing, deep the groans.

Milton.

Gorgons and hydras and chimeras dire.

Milton.

Di*rect" (?), a. [L. directus, p. p. of dirigere to direct: cf. F. direct. See Dress, and cf. Dirge.] 1. Straight; not crooked, oblique, or circuitous; leading by the short or shortest way to a point or end; as, a direct line; direct means.

What is direct to, what slides by, the question.

Locke.

2. Straightforward; not of crooked ways, or swerving from truth and openness; sincere; outspoken.

Be even and direct with me.