drain

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Related to down the drain: go down the drain

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 periodicals archive ?
But by properly insuring your valuables, you can rest a little easier knowing your investment won't go down the drain.
Being unaware of the condition of your vehicle's tires is dangerous and equal to pouring money down the drain," said Dave Skaien, an Auto Club Approved Auto Repair program manager.
It goes down the drain of failed projects like the Belmont Learning Center, the nation's costliest school project.
If the surfaces are clean and treated with a growth inhibiting treatment (BBJ MicroBiocide), the spores would most likely be washed down the drain along with the condensate water and would not be able to germinate, thereby producing more active anthrax.
The studios are justifiably nervous that their investment in product may go down the drain.
As a result, gallons of cold water aren't lost down the drain while the consumer awaits hot water.
We have thrown the whole motive for the murder, the drug deal, down the drain,'' he said, adding that the drug dealer identified by his client as the real killer was heard describing the murders before the boys' bodies were discovered.
KMSC's exclusive technology was designed to extract copper residue out of semiconductor fabrication facilities' wastewater, returning the copper and solids for disposal or resale and allowing the purified water to be reused in the facility or safely sent down the drain.
Far right, Ungaro shows another throw-together look, what you could come up with in a pinch, perhaps, if your clothes were sucked down the drain in the ladies' room and all you were left with was a loooong scarf and some Boy Scout knot-tying abilities.
This ruling should serve as notice that any dollars spent (on the permanent closure) are dollars sent down the drain,'' Howard said.

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