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 periodicals archive ?
Custom-designed accessories including stainless steel mesh colander and drainer grid are included with PRECIS.
A utility room houses a range of base and wall units, wine rack, integral washing machine with fridge/freezer, and single sink drainer unit; and a morning room has a wood effect floor with a log effect gas fire.
Kaminstein Imports unveils Kitchen Helper - an in-sink dish drainer with cutting board - under its upscale CasaBella label.
Completing the ground floor layout is a utility room fitted with base units, a single drainer sink plus plumbing for a washing machine.
RORY DRAINER will make his Blagdon Park debut tomorrow as they host Tillside in the Premier Division.
The kitchen has been fitted with a range of wall, drawer and base units with work surfaces and a stainless steel sink and drainer.
The simple drainer allows water to flow smoothly leaving no stains.
The 6001 Drainer, a crisply styled wire drainer, holds more plates and glassware than Rubbermaid's existing wire drainer of the same size, the company said.
In the kitchen there is a comprehensive range of wall and base units with work surfaces, an inset one and a quarter bowl single drainer sink and tiled splashbacks.