Interracial, in-tėr-rā′si-al, adj. existing or taking place between races.

Interrradial, in-tėr-rā′di-al, adj. situated between the radii or rays.—adv. Interrā′dially.—n. Interrā′dius, an interradial part, esp. of a hydrozoan.

Interramal, in-tėr-rā′mal, adj. situated between the rami or forks of the lower jaw.

Interregal, in-tėr-rē′gal, adj. existing between kings.

Interregnum, in-tėr-reg′num, n. the time between two reigns: the time between the cessation of one and the establishment of another government: any breach of continuity in order, &c.—n. In′terreign (Bacon). [L. inter, between, regnum, rule.]

Interrelation, in-tėr-rē-lā′shun, n. reciprocal relation, interconnection.—-n. Interrelā′tionship.

Interrex, in′tėr-reks, n. one who rules during an interregnum: a regent. [L. inter, between, rex, a king.]

Interrogate, in-tėr′o-gāt, v.t. to question: to examine by asking questions.—v.i. to ask questions: to inquire.—n. Interrogā′tion, act of interrogating: a question put: the mark placed after a question (?).—adj. Interrog′ative, denoting a question: expressed as a question.—n. a word used in asking a question.—adv. Interrog′atively.—ns. Interr′ogator; Interrog′atory, a question or inquiry.—adj. expressing a question. [L. interrogāre, -ātuminter, between, rogāre, to ask.]

Interrupt, in-tėr-rupt′, v.t. to break in between: to stop or hinder by breaking in upon: to divide: to break continuity.—adj. (Milt.) gaping apart.—adv. Interrup′tedly, with interruptions.—ns. Interrup′ter, Interrup′tor; Interrup′tion, act of interrupting: hinderance: cessation.—adj. Interrup′tive, tending to interrupt.—adv. Interrup′tively. [L. interrumpĕreinter, between, rumpĕre, ruptum, to break.]

Interscapular, in-tėr-ska′pū-lar, adj. (anat.) between the shoulder-blades.