Толковый словарь английского языка - per

I. preposition see: for Date: 14th century by the means or agency of ; through , with respect to every member of a specified group ; for each, according to, Usage: Per occurs most frequently in business contexts; its use outside such contexts is often criticized but is quite widespread, especially in sense 2. Its most common and natural nonbusiness uses always involve figures, usually in relation to price <$150 ~ ~formance>, automobiles <32 miles ~ gallon> <55 miles ~ hour>, or sports . II. adverb Date: 1899 for each ; apiece , III. abbreviation ~iod, ~son