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- Dictionaryper-/pəː/
prefix
- 1. through; all over: "perforation"
- 2. having the maximum proportion of some element in combination: "peroxide"
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PER definition: 1. used when expressing rates, prices, or measurements to mean "for each": 2. used when expressing…. Learn more.
The meaning of PER is by the means or agency of : through. How to use per in a sentence. Using Per as a Preposition: Usage Guide
Definition of 'per' Word Frequency per (pɜːʳ ) 1. preposition A2 You use per to express rates and ratios. For example, if something costs £50 per year, you must pay £50 each year for it. If a vehicle is travelling at 40 miles per hour, it travels 40 miles each hour. Social Security refused to pay her more than £17 per week.
used to express the cost or amount of something for each person, number used, distance travelled, etc. Rooms cost £50 per person, per night. 60 miles per hour. France consumes around 200 000 tonnes of cocoa per year.
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.
Definition of per preposition in Oxford Advanced American Dictionary. Meaning, pronunciation, picture, example sentences, grammar, usage notes, synonyms and more.
Fewer examples. They work an average of 30.5 hours per week. The plane is cruising at 500 miles per hour. If we share the costs, it works out at $10 per person. The latest high-speed trains can travel at 140 miles per hour. We were crawling along at 10 miles per hour.
per-. 1. a prefix meaning “through,” “thoroughly,” “utterly,” “very”: pervert; pervade; perfect. 2. 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) acid; potassium permanganate (KMnO 4 ).
Per definition: To, for, or by each; for every. 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.
according to; in accordance with: I delivered the box per your instructions. adv. Informal Terms each; for each one: The charge was five dollars per. per-, prefix.
