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View synonyms for per

per

1

[ pur; unstressed per ]

preposition

  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. Also . according to; in accordance with:

    I delivered the box per your instructions.

    He managed to monopolize the meeting, per usual.



adverb

  1. Informal. each; for each one:

    The charge for window-washing was five dollars per.

per-

2
  1. a prefix meaning “through,” “thoroughly,” “utterly,” “very”: pervert; pervade; perfect.
  2. Chemistry. 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: percarbonic (H 2 C 2 O 5 ), permanganic (HMnO 4 ), persulfuric (H 2 S 2 O 8 ), acids; potassium permanganate (KMnO 4 ); potassium persulfate (K 2 S 2 O 8 ).

per.

3

abbreviation for

  1. percentile.
  2. period.
  3. person.

Per.

4

abbreviation for

  1. Persia.
  2. Persian.

per

1

/ pə; pɜː /

determiner

  1. for every

    three pence per pound

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012


preposition

  1. (esp in some Latin phrases) by; through
  2. as per
    according to

    as per specifications

  3. as per usual informal.
    as usual
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

PER

2

abbreviation for

  1. Professional Employment Register
“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

per-

3

prefix

  1. through

    pervade

  2. throughout

    perennial

  3. away, beyond

    perfidy

  4. completely, throughly

    perplex

  5. (intensifier)

    perfervid

  6. indicating that a chemical compound contains a high proportion of a specified element

    peroxide

    perchloride

  7. indicating that a chemical element is in a higher than usual state of oxidation

    perchlorate

    permanganate

  8. not in technical usage a variant of peroxy-

    persulphuric acid

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Usage Note

Per meaning a or an or for each occurs chiefly in technical or statistical contexts: miles per gallon; work-hours per week; feet per second; gallons of beer per person per year. It is also common in sports commentary: He averaged 16 points per quarter. Per is sometimes criticized in business writing in the sense “according to” and is rare in literary writing.
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Word History and Origins

Origin of per1

First recorded in 1580–90; from Latin: “through, by, for, for each”; for

Origin of per2

From Latin, combining form of per, and used as an intensive; per
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Word History and Origins

Origin of per1

C15: from Latin: by, for each

Origin of per2

from Latin per through
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Example Sentences

Added to drinking water at concentrations of around one part per million, fluoride ions stick to dental plaque.

During an emergency that ratio could be allowed to drop to 8.5 people per orbit.

Well over a thousand holes in, I average less than four strokes per hole.

At least one child in CAR has been killed or gravely injured per day, and 10,000 have been recruited into militant groups.

Bitcoin began 2013 with a roaring price of $770 per unit, and businesses right and left were converting to the ethereal product.

I doubt that thirty persons per day are carried into or brought out of it by all public conveyances whatever.

The Act permits member banks to accept an amount of bills not exceeding 50 per cent.

At this period it brought enormous prices, the finest selling at from fifteen to eighteen shillings per pound.

In 1205 wheat was worth 12 pence per bushel, which was cheap, as there had been some years of famine previous thereto.

We did not talk much about the past at dinner, except—ah me, how bitterly we regretted our 10 per cent.

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Pequot WarPera