perper /pə; strong pɜː $ pər strong pɜːr/ ●●● S3 W1 preposition 
The park attracts four million visitors per year.miles/kilometres per hour (=used for measuring speed) a speed limit of 40 miles per hour2for each: How much does it cost per kilo? rooms costing £40 per night Admission is £9.95 per adult. My car does 12 miles per litre (=for each litre of petrol). The meal cost $25 per head (=for or by each person).3 as per something formal according to something: The work was carried out as per your instructions.4as per usual/normal spoken used when something annoying happens which has often happened before: Jenny was late, as per usual. → per annum, per capita
WORD ORIGINper
Origin:
1300-1400 Latin ‘through, by’EXAMPLES FROM OTHER DICTIONARIES
- My car gets about 30 miles per gallon.
- Oranges are 39 cents per pound.
Longman Language Activatorfor each person
: $500/2 pieces etc per person $500, two pieces etc for each person: · There were only two pieces of bread per person.· You can get a decent meal for less than £20 per person.
: $10/£5 etc a head use this to say how much something costs for each person: · We paid £5 a head for our Christmas dinner.· Guests were paying $800 a head for luxury hotel accommodation.
if something costs a particular amount, or someone uses a particular amount etc per capita , that is how much each person pays, uses etc - used especially in business, politics, or economics: · Among the largest consumers of energy per capita is the United States.per capita income/expenditure/consumption etc: · The average per capita income has decreased over the past five years.· In Europe the per capita supply of trained medical staff has increased dramatically.
not able to speak · The train's designers claim it is capable of attaining speeds in excess of 350 kph.· sensors which monitor speed and body movementspeed of · What was the speed of the car at the time of the accident?· the internal processing speed of a computerat a speed of 50 mph/10 metres per second etc · The Earth moves round the Sun at a speed of 30 km per second.at a constant/steady speed (=keeping the same speed all the time) · Keep driving at a constant speed until I tell you differently.top speed (=the fastest speed that a car, plane etc can reach) · The Ferrari Testarossa has a top speed of 188 mph.
how fast things happen, change, or develop: at a faster/slower/different etc rate: · Individual children develop physically and emotionally at different rates.at an alarming rate (=very fast): · Our money was running out at an alarming rate.rate of: · The amount of light available will determine the plant's rate of growth.· equipment that can load ships at a rate of 5000 tonnes a day
how fast someone walks or runs, or how fast they work or do things: at a brisk/steady/gentle etc pace: · The soldiers were marching at a steady pace.at a leisurely pace (=at a slow comfortable speed): · We climbed at a leisurely pace, stopping occasionally to enjoy the view.pace of: · The pace of political change has been rapid.pace of work/life: · I'm enjoying the relaxed pace of life of Jamaica.at your own pace (=at a speed that is right for you): · The Kumon method involves students learning at their own pace.
the speed at which something moves in a particular direction - use this especially in technical contexts: · This instrument is used for measuring wind velocity.velocity of: · an experiment to try to predict the velocity of a moving objecthigh velocity: · a beam of high velocity electrons
the force that makes a moving object keep moving: · We are trying to measure the position and momentum of an electron as accurately as possible.gain/gather momentum (=move faster): · As the slope got steeper, the sled gathered momentum.lose momentum (=move slower): · The ball was moving along, slowly losing momentum on the bumpy ground.
use these expressions to say how fast something moves: · The maximum speed on British motorways is 70 miles per hour.· Sound travels through the air at about 340 metres per second.· a propeller that revolves at a rate of 150 revolutions per minute
COLLOCATIONS FROM THE ENTRY The meal cost $25 per head (=for or by each person).COLLOCATIONS FROM OTHER ENTRIES The car does about 50 miles per gallon. He was driving at 70 miles per hour. Ultrasonic waves travel at around 300 metres per second.
(=used for measuring speed) a speed limit of 40 miles per hour
a speed limit of 40 miles per hour The meal cost $25 per head (=for or by each person).· Calls cost only 2p per minute.
· There’s a one-day course that costs £80 per person.
(=per person)· The meal will cost about £20 per head.
· These lightweight trousers are made from 100% cotton.
(=used when saying how much someone earns or is paid each day)· They get about £45 per day.
The car does about 50 miles per gallon. He was driving at 70 miles per hour. Ultrasonic waves travel at around 300 metres per second.PHRASES FROM THE ENTRY► as per somethingPHRASES FROM OTHER ENTRIES► take home £120 per week/$600 a month etc
1per hour/day/week etc during each hour etc: - A group of mums working on a one day per week rota can look after the arrangements for this.
- Action potentials zip down axons at about 225 miles per hour.
- At room temperature, atoms normally fly around at speeds of hundreds or thousands of miles per hour.
- Make a conscious effort to drink less tea and coffee - about one or two cups per day.
- Pony treks from the East Farm are priced at £8 per hour, 7 days a week.
- Prices vary enormously for group holidays but a typical price would be somewhere in the region of £25 per person per day.
- Singe bikes cost $ 3. 50 per hour, tandems $ 5 per hour.
- These couples averaged 2.44 copulations per week.
- Besides which, you've missed the point as per usual: to speak is to admit existence.
- Same old jolly camp-fire life went on as per usual.
- The meal will cost $7 a head.
- Alicia was late, as per usual.
- He said he'd phone, but he won't. As per usual!
- I'm in trouble at work, as per usual.
- She was three hours late as per usual.
- Same old jolly camp-fire life went on as per usual.
The park attracts four million visitors per year.miles/kilometres per hour (=used for measuring speed) a speed limit of 40 miles per hour2for each: How much does it cost per kilo? rooms costing £40 per night Admission is £9.95 per adult. My car does 12 miles per litre (=for each litre of petrol). The meal cost $25 per head (=for or by each person).3 as per something formal according to something: The work was carried out as per your instructions.4as per usual/normal spoken used when something annoying happens which has often happened before: Jenny was late, as per usual. → per annum, per capita