Meaning of per

per

Pronunciation: (pûr unstressed p&schwar), [key]
— prep.
  1. for each; for every: Membership costs ten dollars per year. This cloth is two dollars per yard.
  2. by means of; by; through: I am sending the recipe per messenger.
  3. according to; in accordance with: I delivered the box per your instructions.
—adv.
  1. each; for each one: The charge for window-washing was five dollars per.

per-

Pronunciation: [key]
  1. a prefix meaning “through,” “thoroughly,” “utterly,” “very”: pervert; pervade; perfect.
  2. a prefix used in the names of inorganic acids and their salts that possess the maximum amount of the element specified in the base word:(HCO), permanganic (HMnO), persulfuric (HSO), acids; potassium permanganate (KMnO); potassium persulfate (KSO). percarbonic

Per.

Pronunciation: [key]
  1. Persia.
  2. Persian.

per.

Pronunciation: [key]
  1. percentile.
  2. period.
  3. person.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.