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 ?
I ain't afeared of anything on this side o' the grave; but I thought that maybe it was him that died o' the typhoid inspecting the drains what killed him.
A short time, however, spent in revelry, would be sufficient to drain his purse and sate him with civilized life, and he would return with new relish to the unshackled freedom of the forest.
You can crawl through the drain into the kitchen and then into the pantry, and there you will find cakes, ham, beef, cold chicken, roast pig, apple-dumplings, and everything that your heart can wish.
The wolf did not want to be asked twice; so that very night he went to the house and crawled through the drain into the kitchen, and then into the pantry, and ate and drank there to his heart's content.
Then, while Ferguson and Kennedy lay there motionless, the resistless longing came over him to drain the last few drops of water that had been kept in reserve.
The creeks that drain that side the Klondike watershed are just as likely to have gold as the creeks that drain this side.
The thirsty father was at the upper end of the fields, where they were making a drain.
The cord was made in England: A rough cord, a tough cord, A cord that bowmen love; So we'll drain our jacks To the English flax And the land where the hemp was wove.
I drain the lees upon my knees, For oh, the draught is good; I drink to Life, I drink to Death, And smack my lips with song, For when I die, another 'I' shall pass the cup along.
It became necessary to employ very powerful pumps and compressed-air engines to drain it off, so as to close up the orifice from whence it issued; just as one stops a leak on board ship.
O Sophia, how easily could I drain my veins to preserve one drop of that dear blood.
You won't have to drain the meadow, or plow it, or anything.