Main definitions of hopper in English

: hopper1hopper2

hopper1

noun

  • 1A container for a loose bulk material such as grain, rock, or rubbish, typically one that tapers downward and is able to discharge its contents at the bottom.

    ‘the lorries waited under the hoppers to pick up their loads’
    • ‘The outlets on the bottom of the individual hoppers are controlled by a rod that runs the length of the trailer.’
    • ‘The poor bloke at the head of the asbestos sheeting line I worked on emptied bags of asbestos into the hopper by hand, with no mask on.’
    • ‘Features include a hydraulic extendible eight-foot stroke, a floating hopper, a self-propelled hydraulic lift, and flotation tires for easy maneuvering on rough terrain.’
    • ‘One of the patterns is heated and clamped on top of a dump box or hopper, which contains the resin-refractory mixture.’
    • ‘Most of them are unit trains of grain hoppers or container trains.’
    • ‘Evidence of the war was clear in Nick's arrival in the burned town and in the blackened hoppers.’
    • ‘The set-up consists of a large hopper of sand placed above a rough inclined plane.’
    • ‘On the right side of the dispenser is a valve to drain the hopper.’
    • ‘One job was tipping bags of raw asbestos into a hopper for mixing.’
    • ‘Material is pumped from the sea bed as a fluid mixture with water and is discharged into the dredger's hoppers where the heavy material rapidly sinks to the bottom.’
    • ‘First off, there are three basic styles of feeders: Tubes, platforms and hoppers.’
    • ‘Pour your powder into the hopper, enter in your desired charge weight in grains, and press a button.’
    • ‘At best, they had to await their turn at the food hoppers and not get in the way of their superiors.’
    • ‘Their finding might also call into question a common industrial method for loosening materials that have become jammed together inside hoppers.’
    • ‘The resulting materials are loaded into hoppers, from where they are either bagged up or loaded directly into lorries for local delivery.’
    • ‘A row of bulk hoppers dispenses organic cereals underneath a small shelf of skin-care potions.’
    • ‘They crush grains, they allow grains of different sorts to flow from hoppers and it's an area in which there is still a lot to be learnt.’
    • ‘Specialist buildings are not required although investment in a feed bin, augur and hoppers is usually required for the ad lib feeding system and will keep labour requirements to a minimum.’
    • ‘You can load the hopper directly, or the hose can suck mulch materials into it.’
    • ‘Steve poured the first batch into the hopper, and tilted it into the hot air chamber, also known as ‘the crucible‘.’
    1. 1.1historical A tapering container, working with a hopping motion, through which grain passed into a mill.
      • ‘Grooves were cut into the cylinder to allow seed to pass from the hopper above to a funnel below.’
    2. 1.2A railway wagon able to discharge coal or other bulk material through its floor.
      ‘a train of empty iron-ore hoppers’
      • ‘When they stopped using box cars, going to covered hoppers, there was only one customer left, Molson's brewery at Fez City.’
      • ‘If he has no tender awaiting, he can try to unload coal from the hopper spotted atop the ramp.’
      • ‘It would ultimately provide increased capacity to the Receiving Yard, by a total of 186 42-foot hopper cars.’
      • ‘These trains operate with INLX 3-bay hoppers and at the rate of one or two per week.’
      • ‘There was a lot of freight switching for the local peddler to do here at White Sulphur, as there was everywhere, with stock pens in the early years, and LCL freight in box cars, and coal hoppers.’
      • ‘Deliveries of 845 state-of-the-art coal hoppers begin early in the New Year as part of a contract set to end in Spring 2003.’
      • ‘Unit trains of 100 ton rapid discharge hopper cars with a turning loop and units equipped with slow speed control were proposed, all of which was to be leased from CanPac Leasing, a CPR subsidiary.’
      • ‘Adjoining the coaling plant there is a sand storage bin, from which the sand is elevated into hoppers on the coal hopper frame for feeding into the locomotive.’
      • ‘In its first official announcement, EWS said today it had ordered 300 new coal hopper wagons from the company as part of its continuing expansion plans.’
      • ‘For as long as I can remember, I've watched the C&O haul long, long trains of coal hoppers north past my dad's house north of Columbus, Ohio.’
      • ‘More of those rail carts rolled steadily up to their tops, dumping crushed ore and what looked like already-burned coal into the hoppers which fed them.’
      • ‘The diesel locomotive that pulls the hopper cars into place is operated by remote control, eliminating the need for at least one additional worker at the terminal.’
      • ‘At this time the high ramp track for hopper cars was also eliminated.’
      • ‘The basis of this technique is successful use on 7004 alloy railcar hoppers in Canada used for carrying sea water washed bauxite.’
      • ‘New rolling stock such as ore jennies, three bay hoppers, gondolas and billet flat cars began replacing the aging fleet during the 1970s.’
      • ‘Road salt was a major commodity, but it was both seasonal and offered only a low freight rate, while at the same time the covered hopper cars were corroding out at an alarming pace, faster than they were being written-off!’
      • ‘Mr Hill said the Class 66 diesel locomotive was pulling 16 hopper wagons loaded with coal for Eggborough power station in North Yorkshire.’
      • ‘Workers there build and repair different types of rail cars, including coal hoppers, gondolas, and cars that carry steel coils.’
      • ‘Loading was done during the day, after the coke had cooled while sitting on the wharf. The larger chunks were thrown by hand into a C&O hopper spotted on the coke siding.’
      • ‘Six cars, five tankers, and an empty hopper car left the rails on the bridges over Pearl and Pascagoula Street, near the old King Edward Hotel.’
    3. 1.3A barge for carrying away mud or sediment from a dredging machine and discharging it.
      [as modifier] ‘a hopper barge’
      • ‘One man survived the blast and dragged himself into the hopper barge.’
      • ‘The transport vessels are trailing suction hopper dredges with barges.’
      • ‘Because active rail lines are located alongside the river, a conveyor system was used to move concrete 600 feet from the batch plant over the rail lines to a wet hopper on a riverside barge.’
      • ‘This would hamper the use of large hopper dredges and large transport barges.’
      • ‘The processes evaluated would use either a trailing suction hopper dredge or a cutterhead suction dredge to place the sand either on barrier islands for restoration or into temporary storage for later use as a construction material.’
      • ‘One firm sent its lighters, the London County Council dispatched its hopper barges, and the Port of London nine of its tugs which towed Thames sailing barges behind them.’
    4. 1.4A container at the top of a vertical pipe which receives water from a gutter or waste pipe.
      • ‘The inner east elevation contains a playful geometric pattern of drainage hoppers with diagonal gutters that carry rainwater down to ground level.’
  • 2A person or thing that hops.

    [in combination] ‘island-hoppers’
    • ‘The explosion continued, as the shock wave rippled the the dry Arizona desert, knocking a small hopper jet down.’
    • ‘After a 15 hour flight from San Francisco to Beijing, we had to take a hopper flight to Shanghai, adding another 2 hours of travel time.’
    • ‘They are excellent hoppers, fleeing from predators with long bounds.’
    • ‘The other boats are a 38-foot Newton, a 36-foot Newton and an island hopper brand boat, all of which are custom built with state of the art equipment.’
    • ‘It was a hopper plane, the red-eye across the state so there were only eight people total, including pilot and assistant.’
    • ‘The RUH hospital hopper service, arts grants and the popular parish lengthsman service are under threat if Wiltshire County Council is called in by the Government and the budget is capped.’
    • ‘Across the road we saw an Avis car hire hopper bus.’
    • ‘Then you continue three hours on to Kunming, the capital of Yunnan province, and catch a 45-minute hopper flight to Lijiang, an aging hamlet with old stone houses and cobblestone streets.’
    • ‘They were planning on getting the 3 day park hopper pass and would be staying 4 nights in the Disneyland hotel so they could enjoy all three days consecutively.’
    • ‘Classes start with fun warm ups, circuit training, hoppers and parachute games.’
    • ‘It's a coastal cruiser, an island hopper, or a gunkholer.’
    • ‘It is reported that up to 25,000 exuberant lindy hoppers will be there, involved in an orgy of synchronised happiness.’
    • ‘A bid for a grant to extend the local hopper bus service was one way of persuading drivers to leave their cars at home.’
    1. 2.1A hopping insect, especially a young locust.
      • ‘It's also the hopper season, so grasshoppers and caddis patterns are the usual fare.’
      • ‘With practice, this approach can provide good estimates of hopper density.’
      • ‘Slowly pushing the rod out over the water I gently lowered another hopper to the surface.’
      • ‘There was also a significant interaction between recipient site and donor site such that some types of plants accrued higher numbers of hoppers at certain sites.’
      • ‘Best recent catches on Watendlath have been from Mike Tinnion with over 20 rainbow trout on buzzers, fishing the evening rise. Brian Scot recorded another good bag with 15 on hoppers and damsel nymphs.’
      • ‘These reports of high grasshopper populations are coming later than normal, and most of the reports have been of numerous smaller hopper nymphs.’
      • ‘The new control method uses a natural fungus, called Metarhizium anisopliae, which infects locust hoppers in such a way that they stop feeding and die in one to three weeks.’
      • ‘But grazing at the right time of the year and in the right environmental conditions can curb hopper numbers by creating unfavorable habitats for them.’
      • ‘Using this method, hopper densities were recorded for each of the 16 plots.’
      • ‘He worries that if the mature locusts breed successfully in northern Senegal, a new generation of hoppers could grow their wings and wipe out this year's food crops just as they become ready to harvest in October and November.’
      • ‘It might be dry and blisteringly hot in the Alice but scattered rains around the Centre have sprung a plague of grasshoppers on the town - with millions of the hoppers winging it to people's backyards for some green pick.’
      • ‘Therefore, as expected, time had a highly significant effect upon hopper abundance.’
      • ‘Short-legged hoppers rely on the release of stored energy in a rapid catapult action, Burrows explains in his paper.’
      • ‘That's why USDA has teamed up with the State of Hawaii and FWS to control - and, if possible, eradicate - the tiny hoppers.’
      • ‘‘If a few particular species of grasshopper are dominating an area, fire could be beneficial for reducing hopper numbers,’ Branson says.’
      • ‘The happy hoppers are mainly characterized by their repetitive, intense activity once they have submerged.’
      • ‘FAO has warned from Rome that Senegal faces a new wave of swarms and what scientists call hoppers, newly-hatched wingless locusts, which have been spotted along the Senegal River valley and Ferlo valley.’
      • ‘He had begun again in the morning, catching his hoppers, cooking breakfast, and threading his line.’
      • ‘The only good thing about the severity of the storm was that the hoppers seemed to be retreating, the ball bearing hailstones shredding their wings while the high winds blew them about in the dark sky.’
      • ‘In addition, natural densities of hoppers and levels of parasitism differed among sites.’

Pronunciation:

hopper

/ˈhɒpə/

Main definitions of hopper in English

: hopper1hopper2

hopper2

noun

  • A person who picks hops.

    • ‘The appalling conditions of the ‘hoppers of Kent’ are proof that poverty in Victorian England was not restricted to urban areas.’

Pronunciation:

hopper

/ˈhɒpə/