Dyaks
Dy´aks, n. pl.; sing. Dyak. (Ethnol.) The aboriginal and most numerous inhabitants of Borneo. They are partially civilized, but retain many barbarous practices.

Dyas
Dy´as, n. [L. dyas the number two.] (Geol.) A name applied in Germany to the Permian formation, there consisting of two principal groups.

Dye, v. t. [ imp. & p. p. Dyed p. pr. & vb. n. Dyeing.] [OE. deyan, dyen, AS. deágian.] To stain; to color; to give a new and permanent color to, as by the application of dyestuffs.
"Cloth to be dyed of divers colors." Trench.
"The soul is dyed by its thoughts." Lubbock. To dye in the grain, To dye in the wool (Fig.), to dye firmly; to imbue thoroughly.
"He might truly be termed a legitimate son of the revenue system dyed in the wool." Hawthorne.
Syn. — See Stain.

Dye, n.
1. Color produced by dyeing.
2. Material used for dyeing; a dyestuff.

Dye, n. Same as Die, a lot. Spenser.

Dyeing
Dye´ing, n. The process or art of fixing coloring matters permanently and uniformly in the fibers of wool, cotton, etc.

Dyer
Dy´er, n. One whose occupation is to dye cloth and the like. Dyer’s broom, Dyer’s rocket, Dyer’s weed. See Dyer’s broom, under Broom.

Dyewood
Dye´wood, n. Any wood from which coloring matter is extracted for dyeing.

Dying
Dy´ing, a.
1. In the act of dying; destined to death; mortal; perishable; as dying bodies.
2. Of or pertaining to dying or death; as dying bed; dying day; dying words; also simulating a dying state.

Dying
Dy´ing, n. The act of expiring; passage from life to death; loss of life.

Dyingly
Dy´ing•ly, adv. In a dying manner; as if at the point of death. Beau. & Fl.

Dyingness
Dy´ing•ness, n. The state of dying or the stimulation of such a state; extreme languor; languishment. [R.]
"Tenderness becomes me best, a sort of dyingness; you see that picture, Foible, — a swimmingness in the eyes; yes, I’ll look so." Congreve.

Dyke, n. See Dike. The spelling dyke is restricted by some to the geological meaning.

Dynam
Dy´nam, n. [Cf. F. dyname. See Dynamic.] A unit of measure for dynamical effect or work; a foot pound. See Foot pound. Whewell.

Dynamics
Dy•nam´ics, n.
1. That branch of mechanics which treats of the motion of bodies (kinematics) and the action of forces in producing or changing their motion (kinetics). Dynamics is held by some recent writers to include statics and not kinematics.
2. The moving moral, as well as physical, forces of any kind, or the laws which relate to them.
3. (Mus.) That department of musical science which relates to, or treats of, the power of tones.

Dynamism
Dy´na•mism, n. [Cf. F. dynamisme. See Dynamics.] The doctrine of Leibnitz, that all substance involves force.

Dynamitard
Dy´na•mi•tard, n. A political dynamiter. [A form found in some newspapers.]

Dynamite
Dy´na•mite, n. [Gr. power. See Dynamic.] (Chem.) An explosive substance consisting of nitroglycerin absorbed by some inert, porous solid, as infusorial earth, sawdust, etc. It is safer than nitroglycerin, being less liable to explosion from moderate shocks, or from spontaneous decomposition.

Dynamiting
Dy´na•mi•ting, n. Destroying by dynamite, for political ends.
"Dynamiting is not the American way." The Century.

Dynamitism
Dy´na•mi•tism, n. The work of dynamiters.

Dynamization
Dy´na•mi•za•tion, [Gr. power. See Dynamic.] (Homeop.) The act of setting free the dynamic powers of a medicine, as by shaking the bottle containing it.

Dynamo-electric
Dy•na•mo-e•lec´tric, a. [Gr. power + E. electric. See Dynamic.] Pertaining to the development of electricity, especially electrical currents, by power; producing electricity or electrical currents by mechanical power.

Dynast
Dy´nast, n. [L. dynastes, Gr., fr. to be able or strong: cf. F. dynaste. See Dynamic.]
1. A ruler; a governor; a prince.
2. A dynasty; a government. [Obs.]

Dynastical
Dy•nas´tic•al, a. Dynastic.

Dynastidan
Dy•nas´ti•dan, n. [Gr., fem. of . See Dynast. The name alludes to the immense size of some species.] (Zoöl.) One of a group of gigantic, horned beetles, including Dynastus Neptunus, and the Hercules beetle ( D. Hercules) of tropical America, which grow to be six inches in length.

Dysaesthesia
Dys•aes•the´si•a, n. [NL., fr. Gr. dys- ill, bad + to perceive, to feel.] (Med.) Impairment of any of the senses, esp. of touch.

Dyscrasia
Dys•cra´si•a, n. [NL. dyscrasia, fr. Gr. dyskrasi•a; dys- bad + kra^sis mixture, fr. keranny•nai to mix: cf. F. dycrasie.] (Med.) An ill habit or state of the constitution; — formerly regarded as dependent on a morbid condition of the blood and humors.

Dyscrasite
Dys´cra•site, n. [Gr. dys- bad + compound.] (Min.) A mineral consisting of antimony and silver.

Dyscrasy
Dys´cra•sy, n. ; pl. Discrasies . Dycrasia.
"Sin is a cause of dycrasies and distempers." Jer. Taylor. { Dys•en•ter´ic, Dys•en•ter´ic•al } a. [L. dysentericus, Gr. ; cf. F. dysenterigue.] Of or pertaining to dysentery; having dysentery; as a dysenteric patient. "Dysenteric symptoms." Copland.

Dysentery
Dys´en•ter•y, n. [L. dysenteria, Gr. ; dys- ill, bad +, pl., intestines, fr. ’ento•s within, fr. in, akin to E. in: cf. F. dysenterie. See Dys, and In.] (Med.) A disease attended with inflammation and ulceration of the colon and rectum, and characterized by griping pains, constant desire to evacuate the bowels, and the discharge of mucus and blood. When acute, dysentery is usually accompanied with high fevers. It occurs epidemically, and is believed to be communicable through the medium of the alvine discharges.

Dysgenesis
Dys•gen´e•sis, n. [Pref. dys- + genesis.] (Biol.) A condition of not generating or breeding freely; infertility; a form of homogenesis in which the hybrids are sterile among themselves, but are fertile with members of either parent race.

Dyslogistic
Dys•lo•gis´tic, a. [Gr. dys- ill, bad, + discourse, fr. to speak.] Unfavorable; not commendatory; — opposed to eulogistic.
"There is no course of conduct for which dyslogistic or eulogistic epithets may be found." J. F. Stephen.
"The paternity of dyslogistic — no bantling, but now almost a centenarian — is adjudged to that genius of common sense, Jeremy Bentham." Fitzed. Hall.

Dysluite
Dys´lu•ite, n. [Gr. dys- ill, hard + to loose, dissolve.] (Min.) A variety of the zinc spinel or gahnite.

Dyslysin
Dys´ly•sin, n. [Gr. dys- ill, hard + a loosing.] (Physiol. Chem.) A resinous substance formed in the decomposition of cholic acid of bile; — so called because it is difficult to solve.

Dysmenorrhea
Dys•men•or•rhe´a, n. [Gr. dys- ill, hard + month + to flow.] (Med.) Difficult and painful menstruation.

Dysnomy
Dys´no•my, n. [Gr. ; dys- ill, bad + law.] Bad legislation; the enactment of bad laws. Cockeram.

Dysodile
Dys´o•dile, n. [Gr. ill smell, from ill-smelling; dys- ill, bad + to smell.] (Min.) An impure earthy or coaly bitumen, which emits a highly fetid odor when burning. { Dys•pep´si•a, Dys•pep´sy ( 277), }[L. dyspepsia, Gr., fr. hard to digest; dys- ill, hard + to cook, digest; akin to E. cook: cf. F. dyspepsie. See Dys-, and 3d Cook.] (Med.) A kind of indigestion; a state of the stomach in which its functions are disturbed, without the presence of other diseases, or, if others are present, they are of minor importance. Its symptoms are loss of appetite, nausea, heartburn, acrid or fetid eructations, a sense of weight or fullness in the stomach, etc. Dunglison. { Dys•pep´tic, Dys•pep´tic•al } a. Pertaining to dyspepsia; having dyspepsia; as a dyspeptic or dyspeptical symptom.

Dyspeptone
Dys•pep´tone, n. [Pref. dys- + peptone.] (Physiol. Chem.) An insoluble albuminous body formed from casein and other proteid substances by the action of gastric juice. Meissner. { Dys•pha´gi•a, Dys´pha•gy } n. [NL. dysphagia, fr. Gr. dys- ill, hard + to eat.] (Med.) Difficulty in swallowing. { Dys•pho´ni•a, Dys´pho•ny } n. [NL. dysphonia, Gr. ; dys- ill, hard + sound, voice: cf. F. dysphonie.] (Med.) A difficulty in producing vocal sounds; enfeebled or depraved voice.

Dysphoria
Dys•pho´ri•a, n. [NL., fr. Gr., fr. hard to bear; dys- ill, hard + fe•rein to bear: cf. F. dysphorie.] (Med.) Impatience under affliction; morbid restlessness; dissatisfaction; the fidgets.

Dyspnœa
Dysp•nœ"a, n. [L., fr. Gr., fr. short of breath; pref. dys- ill, hard +,, breathing, to blow, breathe: cf. F. dyspnee.] (Med.) Difficulty of breathing.

Dyspnoic
Dysp•no´ic, a. (Med.) Affected with shortness of breath; relating to dyspnœa.

Dysprosium
Dys•pro´si•um, n. [NL., fr. Gr. dyspro•sitos hard to get at.] (Chem.) An element of the rare earth-group. Symbol Dy; at. wt., 162.5. E.

Dysteleology
Dys•te•le•ol´o•gy, n. [Pref. dys- + teleology.] (Biol.) The doctrine of purposelessness; a term applied by Haeckel to that branch of physiology which treats of rudimentary organs, in view of their being useless to the life of the organism.
"To the doctrine of dysteleology, or the denial of final causes, a proof of the real existence of such a thing as instinct must necessarily be fatal." Word (Dynamic Sociology).

Dystocia
Dys•to´ci•a, n. [NL., fr. Gr. ; dys- ill, hard + to•kos delivery.] (Med.) Difficult delivery pr parturition.

Dystome
Dys´tome, a. [Gr. dys- ill, hard + tomo•s cutting, diate•mnein to cut.] (Min.) Cleaving with difficulty. Datolite was called dystome spar by Mohs. { Dys•u´ri•a, Dys´u•ry } n. [L. dysuria, Gr. ; dys- + urine: cf. F. dysurie.] (Med.) Difficult or painful discharge of urine.

Dysuric
Dys•u´ric, a. [Gr. : cf. F. dysurique.] Pertaining to, or afflicted with, dysury. { Dze´ren, Dze´ron } n. (Zoöl.) The Chinese yellow antelope ( Procapra gutturosa), a remarkably swift-footed animal, inhabiting the deserts of Central Asia, Thibet, and China.