Dynamic, -al, di-nam′ik, -al, adj. relating to force: relating to the effects of forces in nature: causal.—n. Dynam′ic, a moving force.—adv. Dynam′ically.—ns. Dynam′ics, the science which treats of matter and motion, where the nature of the moving body and the cause of its motion are both considered; Dy′namism, a theory which explains the phenomena of the universe by some immanent energy: operation of force; Dy′namist.—adj. Dynamis′tic. [Gr. dynamikos—dynamis, power—dynasthai, to be able.]
Dynamite, din′a-mīt, n. a powerful explosive agent, consisting of absorbent matter, as porous silica, saturated with nitro-glycerine.—v.t. to blow up with dynamite.—ns. Dyn′amitard, Dyn′amiter, a ruffian who would use dynamite to destroy bridges, gaols, &c. [Gr. dynamis.]
Dynamo, dī′na-mo, n. a contraction of Dynamo-electric machine, a machine for generating electric currents by means of the relative movement of conductors and magnets.—adjs. Dy′namo-electric, -al.—ns. Dynamog′eny, production of increased nervous activity; Dynam′ograph, a recording dynamometer: an instrument for marking the degree of compression of an elliptic spring.
Dynamometer, din-am-om′e-tėr, n. originally an instrument for measuring force, such as the pull exerted by a horse in drawing a cart: the name now usually given to instruments for measuring power.—adjs. Dynamomet′ric, -al. [Gr. dynamis, power, and metron, a measure.]
Dynasty, din′as-ti, or d′nas-ti, n. a succession of kings of the same family.—n. Dy′nast, a ruler.—adj. Dynas′tic, belonging to a dynasty. [Gr. dynasteia—dynastēs, a lord, dynasthai, to be able.]
Dyne, dīn, n. the unit of force in the centimetre-gramme-second (C.G.S.) system.
Dyophysite, dī-of′i-zīt, n. a holder of the doctrine of the coexistence of two natures, the divine and the human, in Christ—also Diph′ysite.—adjs. Dyophysit′ic, -al.—n. Dyoph′ysitism.
Dyothelete, dī-oth′e-lēt, adj. holding the doctrine that Christ had two wills, a divine and a human—also Dyoth′elite.—n. one who holds the foregoing.—ns. Dyoth′elitism, Dyoth′elism.
Dysæsthesia, dis-es-thē′si-a, n. impaired sensation, partial insensibility.—adj. Dysæsthetic. [Gr., dys, hard, aisthētos—aisthanesthai, to feel.]
Dyschroa, dis′krō-a, n. discoloration of the skin from disease.—Also Dys′chroia.