(informal) Clipping of performance. / (informal) Clipping of perforation. (of postage stamps or photographic film)

(informal) Clipping of perforate.

perception / The state or condition of being highly perceptive, as if in an almost hypnotic or telepathic state.

In a perceptible manner.

(mathematics) A mathematical theory that models a cluster structure in a random graph to describe the spread of phenomena passing through the edges.

The seepage or filtration of a liquid through a porous substance.

(psychology) The awareness of the position, size, form, distance, and direction of an object, or of oneself

(music) An instrument in which the sound is produced by striking, scraping or shaking an object.

In a peremptory manner; in a commanding tone, brooking no delay.

(grammar) A participle, prominent in some languages (e.g. Latin, Greek) but less common in English, describing something that happened to a noun (the subject) in the past.