Definition of rev in English:

rev

noun

usually revs
informal
  • 1A revolution of an engine per minute.

    ‘an engine speed of 1,750 revs’
    • ‘The rev counter sits in front of the driver, on the steering column.’
    • ‘The fuel injection, despite some hunting at low revs, is smooth and predictable, with no drivetrain snatch.’
    • ‘A petrol engine will spin happily, in some cases to 8,000 or 9,000 revs per minute.’
    • ‘As a general rule, we have been reducing maximum revs by 1,000 rpm for free practice on Friday.’
    • ‘Equally, there are no very slow corners which see the engine operating at very low revs, meaning the rev range required is also within our normal limits.’
    • ‘It responds to high revs and comes alive as the red rev counter homes in on the 8,000 rpm redline.’
    • ‘All in all the Magnum features integrated aerodynamics, the engine with high torque from low revs, with good fuel consumption.’
    • ‘‘It's go time,’ I thought to myself, as I downshifted back down to fourth gear, matched my revs and punched the throttle.’
    • ‘This gives a maximum power output of 110 horsepower generated at 5,800 revs.’
    • ‘Unless your are driving at high revs, using a good quality paper air filter allows enough flow, but switch to an easier breathing filter if you like to wind up the motor frequently, as that's when it's gasping for air.’
    • ‘Thanks to the turbo-charger, progress in the higher gears is equally swift, provided revs are at or above 1,500 rpm.’
    • ‘The 5-cylinder/large displacement design was put in place to provide high torque from low engine revs.’
    • ‘Do you have specific targets to achieve for the start of next year, in terms of horsepower and revs?’
    • ‘We're going with lower engine revs - 10,300 rather than 10,700.’
    • ‘With the serious power and torque further up the rev range, driving the car at lower revs is very easy and not likely to unnerve newcomers to the marque.’
    • ‘It also does 320 kph by the time you run out of revs in 6th gear!’
    • ‘The flight was 25 miles in total and my ground speed was 60 mph with the bar in and about 6,000 revs on the tach.’
    • ‘Careful drivers put wear and tear on their cars and their backs while driving at higher revs in a lower gear, thereby inflicting more noise and pollution on local residents.’
    • ‘However, engine noise becomes prominent at higher revs.’
    • ‘Anytime day and particularly night you will hear a Fireblade or the like screaming to maximum revs between gears as some young stud guns it in an endeavour to impress some local beauty and his mates with his prowess in riding.’
    1. 1.1 An act of increasing the speed of revolution of a vehicle's engine by pressing the accelerator.
      ‘she started it up with a violent rev of the engine’
      • ‘We were all nearly asleep when I heard the rev of a motor, the squeal of wheels.’
      • ‘Firmly strapped into the bucket seat next to Chris, in one rev of the engine and a massive cloud of dust, we were off, hurtling over rocks and ditches.’
      • ‘It sounded like a generator or the engine of a diesel truck but with a deeper sound and intervals that were not as fast as you would hear from the revs of an idle engine.’

verb

[WITH OBJECT]informal
  • 1Increase the running speed of (an engine) or the engine speed of (a vehicle) by pressing the accelerator, especially while the clutch is disengaged.

    ‘he revved up the engine and drove off’
    • ‘Counsel Barbara McLernon said she felt people would be more tolerant if wagon drivers moderated their speed and stopped revving their vehicles.’
    • ‘A gaggle of brawny bikers revs their choppers out front.’
    • ‘Or do you think your neighbor would rev up her chainsaw just to shut you up?’
    • ‘There was a moment where we all just revved the motors.’
    • ‘To get some tire-spinning momentum at the start, the engine had to be revved up and the clutch pedal banged out.’
    • ‘He revved the bike and took off in the direction of the statue.’
    • ‘He replied by revving the engine and pushing them past the speed limit.’
    • ‘MC for the night, Dean Gorry revved up the crowd with his lightening wit.’
    • ‘He was out there starting each vehicle and revving the engines, letting them idle.’
    • ‘Jake revved his bike and popped a wheelie and zoomed between several cars.’
    • ‘She expected him to follow, but then she heard the engine to his car being revved up, he then turned the vehicle and drove away in an alarmingly high speed.’
    • ‘I wrenched my eyes away from the disgustingly happy couple, hopped in my car, revved the engine and sped away.’
    • ‘Increasing your activity will rev up your metabolism so you can burn more calories.’
    • ‘Having an auto obviously means you can't rev the engine, drop the clutch and set off with tyres squealing as you try for maximum acceleration off the line.’
    • ‘Revving up your metabolism requires both heavy weight and a fast pace.’
    • ‘Then there's us, the young drivers who love driving — some of course are bad, drive too fast, rev the engine annoyingly and drive recklessly.’
    • ‘Drop into gear, rev the motor and release the clutch.’
    • ‘The flashing orange lights of the recovery vehicle beam into my room as the mechanic continually revs the failing engine.’
    • ‘One of our favorite stories is when we were getting onto Sunrise Highway late one evening and a Camaro rolled up next to us and started revving his engine, well you can imagine the rest.’
    • ‘Off-stage event sketching will continue to rev up the young crowd.’
    1. 1.1no object (of an engine) operate with increasing speed when the accelerator is pressed, especially while the clutch is disengaged.
      ‘he could hear the sound of an engine revving nearby’
      • ‘The youngsters are revving up the engines of Polaris snowmobiles retrofitted with wheels, anticipating a race to third base.’
      • ‘Jeremy put his hand on the pad and the car revved to life.’
      • ‘Putting up his laptop, he hopped back on the bike and revved off.’
      • ‘From the darkened bar from which I dictate this missive, I can hear the starter engines revving up!’
      • ‘As NASCAR's network partners prepare for the upcoming season, Turner Sports is revving up for its role as the producer of the motor sport's Web site.’
      • ‘The enormous crowd around the enclosure was screaming cheerily, the car engines were revving up and the propane was spitting menacing proportions of heat.’
      • ‘The sound effects of the car's engines revving up and down is okay, but doesn't provide the high-decibel wow it could.’
      • ‘Once the school year revved up again, though, you both got way busy.’
      • ‘The car revved and we went soaring down the street.’
      • ‘Meanwhile, motoring fans were revved up for action when they lined the streets of Castleisland.’
      • ‘Soon she heard the ferocious sound of an engine revving up across the way.’
      • ‘The Green Machine's engine was revving even before kick-off as table-topping Melrose made the short trip down to Hawick.’
      • ‘Other engines are revving up, including capital spending, inventory building, and exports.’
      • ‘The engines began revving up again ten minutes later.’
      • ‘And the Democratic base was as revved up as it possibly could have been this year.’
      • ‘Motors revving, we lined up to take turns cruising at cautious speeds across the practice area, which was basically a blanket of dirt.’
      • ‘My father likes to tell the story of how on Saturday mornings you could find Bryan kicking a ball against the garage door, revving up his competitive engine as he waited for his ride to the game.’
      • ‘Sales engines are revving up at the major brewers in reaction to the poll.’
      • ‘The driver dumped my skis in the dark and revved off to California.’
      • ‘As he left the pub, the victim heard the sound of car engines revving up, causing excessive noise.’
    2. 1.2 Make or become more active or energetic.
      no object ‘he's revving up for next week's World Cup game’
      with object ‘we need to rev up the economy’
      • ‘The binding efficiency index comes out to just under 12, which is nothing to get revved up about.’
      • ‘She suddenly revs frantically into life.’
      • ‘It's been fun to watch the kids getting revved up over this.’
      • ‘Tuesdays are the slowest day of the week for most malls and multiplexes, so any promo that revs up sales would be welcome.’
      • ‘The atmosphere was electric as the bands revved up and spectators cheered their favorites.’
      • ‘"I'm glad you asked me that, Mister," the boy says, revving up for his pitch.’
      • ‘The economy is flush, and the Bush campaign is revved up and going strong.’
      • ‘Manorlands is revving up for a fundraising feast.’
      • ‘Even as the Continent's economy revs up, one of the pillars that supports Europe's monetary union is looking distinctly shaky.’
      • ‘We have two very different characters and I have every intention of revving them up in an effort to extract the maximum from them.’
      • ‘By mid week, Merrimac had no pledges on the board, but lighting manager Dan Folding is revving up the forces.’
      • ‘You can also pop in an exercise video to get revved up.’
      • ‘And these projects could take a long time to start up at a time when we need to rev up the economy quickly.’
      • ‘We're just getting revved up.’
      • ‘This simple focusing exercise reinforces resolve and revs up the part of the nervous system responsible for relaxation.’
      • ‘Athens may be a year away but it's never too early to rev up the marketing bandwagon.’
      • ‘Why not rev up your brain cells by doing stuff that'll enrich you?’
      • ‘Now you're revved up to move forward on projects.’
      • ‘But there's nothing like partisanship to rev up the faithful, so the president and friends are framing Republicans as tools of big business.’
      • ‘It was a period when Singapore revved up our industrialisation and urban rebuilding.’

Origin

Early 20th century: abbreviation of revolution.

Pronunciation

rev

/rɛv/