Intorsion, Intortion, in-tor′shun, n. a twisting, winding, or bending.—v.t. Intort′, to twist.

Intoxicate, in-toks′i-kāt, v.t. to make drunk: to excite to enthusiasm or madness.—n. Intox′icant, an intoxicating liquor.—p.adj. Intox′icāting, producing intoxication: inebriating.—n. Intoxic′ātion, state of being drunk: high excitement or elation. [Low L. intoxicāre, -ātumtoxicum—Gr. toxikon, a poison in which arrows were dipped—toxon, an arrow.]

Intra, in′tra, adv. prefix, within, as in In′tra-abdom′inal, situated within the cavity of the abdomen; In′tra-artē′rial, existing within an artery; In′tra-cap′sular, lying within a capsule; In′tra-car′diac, within the heart; In′tra-cell′ular, inside a cell; In′tra-pariē′tal, within walls, private: situated in the parietal lobe of the brain; In′tra-territō′rial, existing within a territory; In′tra-trop′ical, situated within the tropics; In′tra-ur′ban, within a city.

Intractable, in-trakt′a-bl, adj. unmanageable: obstinate.—ns. Intractabil′ity, Intract′ableness.—adv. Intract′ably.

Intrados, in-trā′dos, n. (archit.) the interior or lower line or surface of an arch or vault:—opp. to Extrados, the exterior or upper curve. [Fr.,—L. intra, within, dorsum, the back.]

Intramundane, in-tra-mun′dān, adj. within the world.

Intramural, in-tra-mū′ral, adj. within the walls.

Intransigent, in-tran′si-jent, adj. refusing to come to any understanding, irreconcilable.—ns. Intran′sigentism, the political practice or principles of such; Intran′sigentist, one who practises such a method of opposition, esp. a member of a revolutionary party in Spain about 1873, and of a socialistic party in France. [Fr. intransigeant—Sp. intransigente—L. in, not, transigens, pr.p. of transigĕre, to transact.]

Intransitive, in-tran′si-tiv, adj. not passing over or indicating passing over: (gram.) representing action confined to the agent.—adv. Intran′sitively.

Intransmissible, in-trans-mis′i-bl, adj. that cannot be transmitted.