Interpage, in-tėr-pāj′, v.t. to insert on intermediate pages.

Interparietal, in-tėr-pa-rī′e-tal, adj. situated between the right and left parietal bones of the skull.

Interpellation, in-tėr-pel-ā′shun, n. a question raised during the course of a debate: interruption: intercession: a summons: an earnest address.—v.t. Inter′pellate, to question. [Fr.,—L.,—interpellāre, -ātum, to disturb by speaking—inter, between, pellĕre, to drive.]

Interpenetrate, in-tėr-pen′e-trāt, v.t. to penetrate between or within.—n. Interpenetrā′tion.

Interpetiolar, in-tėr-pet′i-ō-lar, adj. (bot.) between the petioles.

Interphalangeal, in-tėr-fa-lan′jē-al, adj. situated between any successive phalanges of a finger or toe: nodal, of a digit.

Interpilaster, in-tėr-pi-las′tėr, n. (archit.) space between two pilasters.

Interplanetary, in-tėr-plan′et-ar-i, adj. between the planets.

Interplay, in′tėr-plā, n. mutual action: interchange of action and reaction.

Interplead, in-tėr-plēd′, v.i. (law) to discuss adverse claims to property by bill of interpleader.—n. Interplead′er, one who interpleads: a form of process in the English courts, by a bill in equity, intended to protect a defendant who claims no interest in the subject-matter of a suit, while at the same time he has reason to know that the plaintiff's title is disputed by some other claimant.