Per definition

pûr
Per hour.

Was driving at 60 miles per.

adverb
28
10
Person.
abbreviation
24
6
To, for, or by each; for every.

Gasoline once cost 40 cents per gallon.

preposition
33
16
Through; by; by means of.
preposition
11
2
Period.
abbreviation
11
3
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For each one; apiece.

Sold the cookies for one dollar per.

adverb
9
4
By means of; through.
preposition
7
4
Period.
abbreviation
3
1
Persian.
abbreviation
2
0
According to; by.

Changes were made to the manuscript per the author's instructions.

preposition
5
4
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Per is defined as to, for, by or according to.

An example of per used as a preposition is in the phrase, "as per standards," which means by the standards.

preposition
1
0
Per mean for each once.

An example of per used as an adverb is in the phrase, "one cookie per person," which means one cookie for each person.

adverb
1
0
Containing the maximum amount of the indicated element.

Perfluoropropane (completely fluorinated propane, C3F8)

affix
1
0
According to; in accordance with.

Per your instructions.

preposition
0
0
For each; for every.

Fifty cents per yard.

preposition
0
0
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During each.

To cover 500 miles per day.

preposition
0
0
Thoroughly, completely, very.

Perfervid.

affix
0
0
Containing the divalent group O2

Peracid.

affix
0
0
Period.
abbreviation
0
0
initialism
0
0
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Containing a large or the largest possible proportion of an element.

Peroxide.

prefix
1
2
Person.
abbreviation
1
2
Containing the peroxy group.

Peracid.

prefix
0
1
Persia.
abbreviation
0
1
Through, throughout.

Perfoliate, peroral.

affix
0
1
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Containing a specified element or radical in its maximum, or a relatively high, valence.

Perchloric acid.

affix
0
1
Thoroughly; completely; intensely.

Perfervid.

prefix
0
2
Containing an element in its highest oxidation state.

Perchloric acid.

prefix
0
2
as per usual
  • in the usual way; as usual
idiom
0
0

Idioms and Phrasal Verbs

Origin of per

  • L < per, through: see per

    From Webster's New World College Dictionary, 5th Edition

  • Latin from per through per1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

  • Latin per1 in Indo-European roots

    From American Heritage Dictionary of the English Language, 5th Edition

Per Sentence Examples

  • Yeah, but here you measure the land by cows per acre, not the other way around.

  • But the price per gal­lon's right so it don't look like he faked it.

  • Brady hesitated to respond, feeling as though he should concentrate on supporting her, per Tim's directions, rather than reach out to her when he needed her.

  • These could probably run around 45 miles per hour in a sprint.

  • If then the screw-value in kilometres per second is known for the neighbourhood of each of the comparison lines employed, the radial velocity of the star can be independently derived directly from coincidences made in above manner in the neighbourhood of each comparison line.

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Words near per in the Dictionary