Dictionary > Hopper

Hopper

Hopper
1. One who, or that which, hops.
2. A chute, box, or receptacle, usually funnel-shaped with an opening at the lower part, for delivering or feeding any material, as to a machine; as, the wooden box with its trough through which grain passes into a mill by joining or shaking, or a funnel through which fuel passes into a furnace, or coal, etc, into a car.
3. See grasshopper.
4. A game. See Hopscotch.
5. (Science: zoology) see grasshopper, and frog hopper, grape hopper, leaf hopper, tree hopper, under frog, grape, leaf, and tree. The larva of a cheese fly.
6. A vessel for carrying waste, garbage, etc, out to sea, so constructed as to discharge its load by a mechanical contrivance; called also dumping scow.
(Science: chemistry) bell and hopper, the apparatus at the top of a blast furnace, through which the charge is introduced, while the gases are retained. Hopper boy, a rake in a mill, moving in a circle to spread meal for drying, and to draw it over an opening in the floor, through which it falls. Hopper closet, a water-closet, without a movable pan, in which the receptacle is a funnel standing on a draintrap. Hopper cock, a faucet or valve for flushing the hopper of a water-closet.
See: 1st hop.


You will also like...

An artistic depiction of Dunkleosteus fish
Fish

The sea was teeming with life. Eventually, through reproduction and continued variation, fish came about. There are over..

Peppered moth ("Biston betularia") melanic and light form
Examples of Natural Selection

Darwin's Finches are an example of natural selection in action. They are an excellent example of the way species' gene p..

Electromagnetic spectrum of a brain
Sleep and Dreams – Neurology

While learning and intelligence are associated with the functions of a conscious mind, sleep and dreams are activities o..

Circulation
Circulation

The circulatory system is key to the transport of vital biomolecules and nutrients throughout the body. Learn about the ..

"Opabinia regalis"
The Evolutionary Development of Multicellular Organisms

Multicellular organisms evolved. The first ones were likely in the form of sponges. Multicellularity led to the evolutio..

DNA molecule
Genetic Control – On and Off Genes

Genes are the blueprint of our bodies, a blueprint that creates a variety of proteins essential to any organism's surviv..