Interdash, in-tėr-dash′, v.t. to intersperse.

Interdeal, in′tėr-dēl, n. (Spens.) intercourse, traffic.

Interdependence, in-tėr-de-pend-ens, n. mutual dependence: dependence of parts one on another.—adj. Interdepend′ent.

Interdict, in-tėr-dikt′, v.t. to. prohibit: to forbid: to forbid communion.—n. (in′tėr-dikt) prohibition: a prohibitory decree: a prohibition of the Pope restraining the clergy from performing divine service.—n. Interdic′tion.—adjs. Interdic′tive, Interdic′tory, containing interdiction: prohibitory. [L. interdicĕre, -dictuminter, between, dicĕre, to say.]

Interdigital, in-tėr-dij′i-tal, adj. situated between digits.—v.t. Interdig′itate, to insert between the fingers.—v.i. to be interwoven, to interlock by finger-like processes.—n. Interdigitā′tion.

Interest, in′tėr-est, n. advantage: premium paid for the use of money (in Compound interest, the interest of each period is added to its principal, and the amount forms a new principal for the next period): any increase: concern: special attention: influence over others: share: participation.—n. (Spens.) In′teress, interest, concern.—v.t. to concern deeply.—Equitable interest, such interest as is protected by courts of equity, although it might not be at common law; Landed interest (see Landed); Vested interest, an interest thoroughly secure and inalienable, except for public use and upon compensation.—Make interest for, to secure interest on behalf of. [O. Fr. interest (Fr. intérêt)—L. interest, it is profitable, it concerns—inter, between, esse, to be.]

Interest, in′tėr-est, v.t. to engage the attention: to awaken concern in: to excite (in behalf of another).—adj. In′terested, having an interest or concern: affected or biassed by personal considerations, self-interest, &c.—adv. In′terestedly.—n. In′terestedness.—adj. In′teresting, engaging the attention or regard: exciting emotion or passion.—adv. In′terestingly.—n. In′terestingness.—In an interesting condition, in the family way. [From obs. interess—O. Fr. interesser, to concern—L. interesse.]

Interfacial, in-tėr-fā′shal, adj. (geom.) included between two plane faces or surfaces.—n. Interface′, a plane surface regarded as the common boundary of two bodies.

Interfemoral, in-tėr-fem′o-ral, adj. situated between the thighs, connecting the hind limbs.

Interfere, in-tėr-fēr′, v.i. to come in collision: to intermeddle: to interpose: to act reciprocally—said of waves, rays of light, &c.—ns. Interfer′ence; Interfer′er.—adv. Interfer′ingly. [Through O. Fr., from L. inter, between, ferīre, to strike.]