Defn: Irregular; — said of any arrangement whose symmetry is destroyed by local causes, as when leaflets are interposed among the leaves in a pinnate leaf.

INTERRUPTEDLY
In`ter*rupt"ed*ly, adv.

Defn: With breaks or interruptions; discontinuously. Interruptedly pinnate (Bot.), pinnate with small leaflets intermixed with large ones. Gray.

INTERRUPTER
In`ter*rupt"er, n.

1. One who, or that which, interrupts.

2. (Elec.)

Defn: A device for opening and closing an electrical circuit; a vibrating spring or tuning fork, arranged to make and break a circuit at rapidly recurring intervals, by the action of the current itself.

INTERRUPTION
In`ter*rup"tion, n. Etym: [L. interruptio: cf. F. interruption.]

1. The act of interrupting, or breaking in upon.

2. The state of being interrupted; a breach or break, caused by the abrupt intervention of something foreign; intervention; interposition. Sir M. Hale. Lest the interruption of time cause you to lose the idea of one part. Dryden.