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...

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..

temperature - abiotic factor
Abiotic and Biotic Factors

This tutorial deals with the abiotic factors of the freshwater environment that determine what sort of life would be sui..

Selective Breeding
Selective Breeding

Gregor Mendel's studies into Monohybrid and Dihybrid crossing and Charles Darwin's study of evolution and natural select..

Growth Patterns
Growth Patterns

This tutorial describes the sigmoid curve, annual plant growth, tree growth, human growth, and insect growth as the grow..

Neural Control Mechanisms
Neural Control Mechanisms

Neurons generate electric signals that they pass along to the other neurons or target tissues. In this tutorial, you wil..

Growth and Plant Hormones
Growth and Plant Hormones

Plants, like animals, produce hormones to regulate plant activities, including growth. They need these hormones to respo..