per

[ pur; unstressed per ]

/ pɜr; unstressed pər /

SEE SYNONYMS FOR per ON THESAURUS.COM

preposition

for each; for every: Membership costs ten dollars per year. This cloth is two dollars per yard.

by means of; by; through: I am sending the recipe per messenger.

according to; in accordance with: I delivered the box per your instructions.

adverb

Informal. each; for each one: The charge for window-washing was five dollars per.

Origin of per

1580–90; <Latin: through, by, for, for each. See for

usage note for per

Per for 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.

WORDS THAT MAY BE CONFUSED WITH per

per , purr (see usage note at the current entry)

Words nearby per

Pepys, Pepys' Diary, Péquiste, Pequot, Pequot War, per, Pera, peracid, peracute, peradventure, Peraea

Definition for per (2 of 4)

per-

a prefix meaning “through,” “thoroughly,” “utterly,” “very”: pervert; pervade; perfect.

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 (H2C2O5), permanganic (HMnO4), persulfuric (H2S2O8), acids; potassium permanganate (KMnO4); potassium persulfate (K2S2O8).

Origin of per-

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

Definition for per (3 of 4)

per.

percentile.

period.

person.

Definition for per (4 of 4)

Per.

Persia.

Persian.

Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for per

Bitcoin began 2013 with a roaring price of $770 per unit, and businesses right and left were converting to the ethereal product.
You Were Wrong About Miley & Bitcoin: 2014’s Failed Predictions|Nina Strochlic|December 31, 2014|DAILY BEAST
In 2013, with a similar-size budget but more detainees, the cost worked out to about $2.7 million per detainee.
Fact-Checking the Sunday Shows: Dec 21|PunditFact.com|December 21, 2014|DAILY BEAST
For comparison, inmates at high-security federal prisons cost about $34,000 per year on average, as of 2012.
Fact-Checking the Sunday Shows: Dec 21|PunditFact.com|December 21, 2014|DAILY BEAST
For example, since 2011 it has been adding 30 per cent more capacity per year on flights to Puerto Rico.
Goodbye, Bahamas. Hello, Havana!|Clive Irving|December 18, 2014|DAILY BEAST

Add to that the per diems paid for the 105 military commission personnel who attend the proceedings, which cost more than $16,000.
Prosecutors Have No Idea When 9/11 Mastermind’s Trial Will Start|Tim Mak|December 17, 2014|DAILY BEAST
It is fully calculated by the packers that this number will be exceeded ten per cent in the ensuing year.
The History of Louisville, from the Earliest Settlement till the Year 1852|Ben Casseday
The total number of remembered dreams varies considerably with different observers, some attaining an average of ten per night.
Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 7|Various
And the employer of the weavers would require alike five per cent.
An Inquiry into the Nature and Causes of the Wealth of Nations|Adam Smith
In no one case in my recollection do they exceed 10 per cent.
Constructive Imperialism|Viscount Milner
Approximately 75 per cent of Chicago's population is of foreign birth or parentage.
The Greatest Highway in the World|Anonymous

British Dictionary definitions for per (1 of 3)

per

/ (pɜː, unstressed pə) /

determiner

for everythree pence per pound

preposition

(esp in some Latin phrases) by; through

as per according toas per specifications

as per usual informal as usual

Word Origin for per

C15: from Latin: by, for each

British Dictionary definitions for per (2 of 3)

PER

abbreviation for (in Britain)

Professional Employment Register

British Dictionary definitions for per (3 of 3)

per-

prefix

throughpervade

throughoutperennial

away, beyondperfidy

completely, throughlyperplex

(intensifier)perfervid

indicating that a chemical compound contains a high proportion of a specified elementperoxide; perchloride

indicating that a chemical element is in a higher than usual state of oxidationpermanganate; perchlorate

(not in technical usage) a variant of peroxy- persulphuric acid

Word Origin for per-

from Latin per through

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

Medical definitions for per

per-

pref.

Thoroughly; completely; intensely:perfuse.

Containing an element in its highest oxidation state:perchloric acid.

Containing a large or the largest possible proportion of an element:peroxide.

Containing the peroxy group:peracid.

单词	per
释义	per [ pur; unstressed per ] / pɜr; unstressed pər / SEE SYNONYMS FOR per ON THESAURUS.COM preposition for each; for every: Membership costs ten dollars per year. This cloth is two dollars per yard. by means of; by; through: I am sending the recipe per messenger. according to; in accordance with: I delivered the box per your instructions. adverb Informal. each; for each one: The charge for window-washing was five dollars per. Origin of per 1580–90; <Latin: through, by, for, for each. See for usage note for per Per for 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. WORDS THAT MAY BE CONFUSED WITH per per , purr (see usage note at the current entry) Words nearby per Pepys, Pepys' Diary, Péquiste, Pequot, Pequot War, per, Pera, peracid, peracute, peradventure, Peraea Definition for per (2 of 4) per- a prefix meaning “through,” “thoroughly,” “utterly,” “very”: pervert; pervade; perfect. 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 (H2C2O5), permanganic (HMnO4), persulfuric (H2S2O8), acids; potassium permanganate (KMnO4); potassium persulfate (K2S2O8). Origin of per- From Latin, combining form of per, and used as an intensive; per Definition for per (3 of 4) per. percentile. period. person. Definition for per (4 of 4) Per. Persia. Persian. Dictionary.com UnabridgedBased on the Random House Unabridged Dictionary, © Random House, Inc. 2020 Example sentences from the Web for per Bitcoin began 2013 with a roaring price of $770 per unit, and businesses right and left were converting to the ethereal product. You Were Wrong About Miley & Bitcoin: 2014’s Failed Predictions\|Nina Strochlic\|December 31, 2014\|DAILY BEAST In 2013, with a similar-size budget but more detainees, the cost worked out to about $2.7 million per detainee. Fact-Checking the Sunday Shows: Dec 21\|PunditFact.com\|December 21, 2014\|DAILY BEAST For comparison, inmates at high-security federal prisons cost about $34,000 per year on average, as of 2012. Fact-Checking the Sunday Shows: Dec 21\|PunditFact.com\|December 21, 2014\|DAILY BEAST For example, since 2011 it has been adding 30 per cent more capacity per year on flights to Puerto Rico. Goodbye, Bahamas. Hello, Havana!\|Clive Irving\|December 18, 2014\|DAILY BEAST Add to that the per diems paid for the 105 military commission personnel who attend the proceedings, which cost more than $16,000. Prosecutors Have No Idea When 9/11 Mastermind’s Trial Will Start\|Tim Mak\|December 17, 2014\|DAILY BEAST It is fully calculated by the packers that this number will be exceeded ten per cent in the ensuing year. The History of Louisville, from the Earliest Settlement till the Year 1852\|Ben Casseday The total number of remembered dreams varies considerably with different observers, some attaining an average of ten per night. Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 7\|Various And the employer of the weavers would require alike five per cent. An Inquiry into the Nature and Causes of the Wealth of Nations\|Adam Smith In no one case in my recollection do they exceed 10 per cent. Constructive Imperialism\|Viscount Milner Approximately 75 per cent of Chicago's population is of foreign birth or parentage. The Greatest Highway in the World\|Anonymous British Dictionary definitions for per (1 of 3) per / (pɜː, unstressed pə) / determiner for everythree pence per pound preposition (esp in some Latin phrases) by; through as per according toas per specifications as per usual informal as usual Word Origin for per C15: from Latin: by, for each British Dictionary definitions for per (2 of 3) PER abbreviation for (in Britain) Professional Employment Register British Dictionary definitions for per (3 of 3) per- prefix throughpervade throughoutperennial away, beyondperfidy completely, throughlyperplex (intensifier)perfervid indicating that a chemical compound contains a high proportion of a specified elementperoxide; perchloride indicating that a chemical element is in a higher than usual state of oxidationpermanganate; perchlorate (not in technical usage) a variant of peroxy- persulphuric acid Word Origin for per- from Latin per through 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 Words related to per by, through, according to, by means of, apiece, each, for, to, via Medical definitions for per per- pref. Thoroughly; completely; intensely:perfuse. Containing an element in its highest oxidation state:perchloric acid. Containing a large or the largest possible proportion of an element:peroxide. Containing the peroxy group:peracid. The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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per

preposition

adverb

Origin of per

usage note for per

WORDS THAT MAY BE CONFUSED WITH per

Words nearby per

Definition for per (2 of 4)

Origin of per-

Definition for per (3 of 4)

Definition for per (4 of 4)

Example sentences from the Web for per

British Dictionary definitions for per (1 of 3)

determiner

preposition

Word Origin for per

British Dictionary definitions for per (2 of 3)

abbreviation for (in Britain)

British Dictionary definitions for per (3 of 3)

prefix

Word Origin for per-

Words related to per

Medical definitions for per

pref.