hopper
1 Americannoun
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a person or thing that hops.
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Informal. a person who travels or moves frequently from one place or situation to another (usually used in combination).
a two-week tour designed for energetic city-hoppers.
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any of various jumping insects, as grasshoppers or leafhoppers.
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Australian. kangaroo.
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a funnel-shaped chamber or bin in which loose material, as grain or coal, is stored temporarily, being filled through the top and dispensed through the bottom.
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Railroads. hopper car.
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U.S. Politics. a box into which a proposed legislative bill is dropped and thereby officially introduced.
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one of the pieces at each side of a hopper casement.
idioms
noun
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Edward, 1882–1967, U.S. painter and etcher.
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Grace Murray, 1906–92, U.S. naval officer and computer scientist.
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(William) De Wolf 1858–1935, U.S. actor.
noun
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a person or thing that hops
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a funnel-shaped chamber or reservoir from which solid materials can be discharged under gravity into a receptacle below, esp for feeding fuel to a furnace, loading a railway truck with grain, etc
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a machine used for picking hops
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any of various long-legged hopping insects, esp the grasshopper, leaf hopper, and immature locust
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Also called: hoppercar. an open-topped railway truck for bulk transport of loose minerals, etc, unloaded through doors on the underside
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another name for cocopan
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computing a device formerly used for holding punched cards and feeding them to a card punch or card reader
noun
Other Word Forms
Noun Inflected Forms
Etymology
Origin of hopper
Middle English word dating back to 1200–50; see origin at hop 1, -er 1
Explanation
A hopper is a funnel-shaped device used to move material from one receptacle to another. This type of hopper has nothing to do with hopping or jumping: it's a device — the kind you're most likely to see in a chemistry lab — for moving substances from one container to another. If you need to pour a large beaker of liquid into a tiny test tube, the hopper lets you move the liquid without spilling. Solid, grain-like substances could also be moved using a hopper. Many factories will have hoppers as part of their machinery too.
Vocabulary lists containing hopper
The Road
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Old Yeller
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Summer of the Monkeys
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
See Examples For:
“This creates a strong platform to invest with discipline into our distinctive deep hopper of oil & gas opportunities,” BP said.
From MarketWatch ● Feb. 10, 2026
Bills don’t get passed merely because someone drops a draft in the hopper.
From The Wall Street Journal ● Nov. 26, 2025
And then in the seventh he took a hit away from Barger when he bare-handed a high hopper and threw to first, beating the runner by half a step.
From Los Angeles Times ● Nov. 1, 2025
After watching the first six episodes of its full 12, you may thank the Universe that there aren’t more rounds in the hopper.
From Salon ● Jul. 3, 2025
They sat in the bottom of the hopper, listening to the train’s noises fade away.
From "Lupita Mañana" by Patricia Beatty
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The vessel, named Island Hopper, belongs to Ship 16, a unit of the Sea Scouts, a program of Scouting America.
From Los Angeles Times ● Jun. 27, 2026
Across 15 tracks, it blends Indian musicians with archive recordings by the band's deceased collaborators - from actor Dennis Hopper to D12 rapper Proof - creating a bridge between the living and the dead.
From BBC ● Jun. 21, 2026
Those involved in the scheme allegedly helped a Southeast Asian company place orders for servers of Nvidia’s Blackwell and Hopper chips, both of which are restricted for sale to China.
From MarketWatch ● Mar. 21, 2026
The company unveiled the Groq 3 LPX rack, 350 times faster than Hopper for AI inference, shipping in late 2026.
From Barron's ● Mar. 17, 2026
I went to Mrs. Van Hopper, uncertain, rather self-conscious, like a maid who has handed in her notice through a friend.
From "Rebecca" by Daphne du Maurier
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The dust at this busy recycling plant is pervasive and the steady noise of hoppers and conveyor belts makes this a challenging environment to work in.
From BBC ● May 4, 2026
China has built the robotic infrastructure—sensors, hoppers and relay satellites—needed for a permanent lunar base.
From The Wall Street Journal ● Apr. 29, 2026
But in August and September, job hoppers once again had more significant pay gains.
From MarketWatch ● Dec. 22, 2025
Nearly vertical conveyor belts lifted dry ingredients high up to be deposited into hoppers where they were mixed with water and then the wet concrete was poured into waiting trucks below.
From Los Angeles Times ● Nov. 2, 2024
Six species of cotton insects, along with an assortment of thrips, fruit moths, leaf hoppers, caterpillars, mites, aphids, wireworms, and many others now are able to ignore the farmer’s assault with chemical sprays.
From "Silent Spring" by Rachel Carson
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.