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drain
(redirected from drainer)

   Also found in: Dictionary/thesaurus, Medical, Legal, Idioms, Wikipedia 0.04 sec.

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.


(jargon)drain - (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.

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Known as "the universal drainer," Common Birch is an excellent general remedy for strengthening the immune system.
However, because well-drained crop soil can be twice as productive as wet soil, farmers have traditionally been among the most aggressive drainers of wetlands.
Then they hit other important aspects of life, including career (identify the energy drainers that make you less efficient), finances (look for pain-free ways to save money each month), relationships (pull out the date book instead of saying, ``Let's get together sometime''), home (conduct a comfort audit of each room) and health (bring a shopping list to the grocery store and limit impulse buying).
 
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