Per

Definition

Per is a preposition used to indicate the rate, ratio, or distribution of one quantity in relation to another. It can also mean "according to" in certain formal contexts.

Parts of Speech

• Preposition

Pronunciation

American English

• IPA Pronunciation: /pɜːr/
• Respelling: PUR

British English

• IPA Pronunciation: /pɜː/
• Respelling: PUR

Etymology

The word "per" comes directly from Latin "per," meaning "through" or "by means of." It was adopted into English during the Middle English period, retaining its function as a preposition in phrases denoting ratios or standards.

Derivatives

• Per annum (phrase)
• Per capita (phrase)
• Per diem (phrase)
• Percent (noun)
• Perfection (noun, via Latin)

Synonyms

• According to
• Via
• Each

Antonyms

• None

Usage

The preposition "per" is commonly used in expressions of rate or measurement, such as "60 miles per hour." It is also found in formal writing meaning "according to," as in "Per your request, the report has been submitted."

Related Terms

• Ratio: A relationship between two numbers indicating how many times the first contains the second.
• Rate: A measure, quantity, or frequency relative to another unit.
• According to: In agreement with a source or instruction.

Detailed Definitions

Preposition

• For each or for every: Used to express a rate or ratio.
  • Example: "The speed limit is 100 kilometers per hour."
• According to or as directed by: Often used in formal or legal contexts.
  • Example: "Per company policy, employees must submit receipts."
• By means of: Less commonly, used to indicate the method or medium.
  • Example: "Documents were delivered per courier."