drain

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drain

1. a pipe or channel that carries off water, sewage, etc.
2. Surgery a device, such as a tube, for insertion into a wound, incision, or bodily cavity to drain off pus, etc.
3. Electronics the electrode region in a field-effect transistor into which majority carriers flow from the interelectrode conductivity channel

Drain

A channel, conduit, or pipe used to remove rain, wastewater, or sewage.

Drain

 

an artificial underground channel (pipe, cavity) for collecting and discharging subsoil waters and for aerating soil. Drains differ according to function (driers, collecting mains), structure, and materials. Pipes are made of such materials as earthenware, wood, and plastic. Cavities are of the mole or the slotted type, filled with gravel or fascines.

drain

[drān]
(civil engineering)
A channel which carries off surface water.
A pipe which carries off liquid sewage.
(electricity)
(electronics)
The region into which majority carriers flow in a field-effect transistor; it is comparable to the collector of a bipolar transistor and the anode of an electron tube.

drain

1. Any pipe in a building-drainage system which carries waste water or water-borne waste.
2. Any pipe or channel for carrying waste water or storm water.

drain

(jargon)
(IBM) To allow a system to complete the processing of its current work before the system becomes unavailable. E.g. draining a device before taking it off-line or telling a web server in a server farm not to accept any new requests but to finish processing any requests it has already accepted.

drain

One side of a field effect transistor. When the gate is pulsed, current flows from the source to the drain, or vice versa depending on the design. See collector.
References in classic literature ?
When their substance is drained away, the peasantry will be afflicted by heavy exactions.
As soon as the water has drained off, he creeps up the little creeks that men think would not hide a dog, and there he waits.
But he drained the last of a bottle into his glass and accepted a cigar which I offered him.
roared the latter, as the dwarf reluctantly drained the beaker.
Clare's revived thoughts of his father prevented his noticing her particularly; and so they went on down the white row of liquid rectangles till they had finished and drained them off, when the other maids returned, and took their pails, and Deb came to scald out the leads for the new milk.
With a quick movement he reached for his glass of liqueur brandy and drained it at a gulp.
The great white apes get the flesh when the plant men have drained the arteries.
As he drained his glass, but shook his head when I wished to replenish it, Raffles showed me the flask which he had carried in his pocket: it was still nearly full; and I found that he had otherwise provisioned himself over the holidays.
I liked his eye, and could have sworn to its honesty as I drained the glass.
We had drained the goat-skins dry in a little while.
Where two harvests bloomed every year, hardly one will be gathered from a soil completely drained of its strength.
Harris said that the danger about desert islands, as far as he had heard, was that they were so damp: but George said no, not if properly drained.