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1. a person appointed by a court to manage property pending the outcome of litigation, during the infancy of the owner, or after the owner(s) has been declared bankrupt or of unsound mind
2. Chiefly Brit a person who receives stolen goods knowing that they have been stolen
3. the equipment in a telephone, radio, or television that receives incoming electrical signals or modulated radio waves and converts them into the original audio or video signals
4. the equipment in a radar system, radio telescope, etc., that converts incoming radio signals into a useful form, usually displayed on the screen of a cathode-ray oscilloscope
5. Chem a vessel in which the distillate is collected during distillation
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005


An electronic device that, in radio astronomy, detects and measures the radio-frequency signals picked up by the antenna of a radio telescope. A receiver that measures the total noise power from the antenna and from itself is called a total-power receiver. This is in distinction to other types that measure, for example, the correlated power in two antennas (see correlation receiver; Dicke-switched receiver; phase-switching interferometer).

Radio-astronomy receivers usually use the superheterodyne technique: the radio-frequency signals at frequency f 1 are combined in a mixer with signals from a local oscillator at frequency f 0 to produce a combination signal whose amplitude faithfully follows that of the radio-frequency signal but whose frequency is f 1f 0. This is the intermediate frequency, IF , which is amplified in the IF amplifier and presented to the first detector. The output of the nonlinear detector is a voltage that depends on the input power.

In a total-power receiver the output from the detector becomes the receiver output, having first been smoothed by a low-pass filter to reduce the fluctuations due to the system noise (see sensitivity). In a switching receiver the first detector output is passed to a phase-sensitive detector before smoothing in order to pick out the component at the switching frequency that is buried in the noise. See also line receiver.

Collins Dictionary of Astronomy © Market House Books Ltd, 2006
The following article is from The Great Soviet Encyclopedia (1979). It might be outdated or ideologically biased.



a vessel for collecting gas or vapor whose inlet and outlet are of smaller cross section than pipes employed in the whole unit. Receivers also serve to smooth variations in pressure brought about by a pulsating feed and periodic withdrawal. In compressors, receivers are also used to cool the gas and to separate drops of oil and moisture carried in the gas. In steam engines, receivers are thermally insulated pipes that connect the high- and low-pressure cylinders.

The Great Soviet Encyclopedia, 3rd Edition (1970-1979). © 2010 The Gale Group, Inc. All rights reserved.


(chemical engineering)
Vessel, container, or tank used to receive and collect liquid material from a process unit, such as the distillate receiver from the overhead condenser of a distillation column.
The complete equipment required for receiving modulated radio waves and converting them into the original intelligence, such as into sounds or pictures, or converting to desired useful information as in a radar receiver.
(mechanical engineering)
An apparatus placed near the compressor to equalize the pulsations of the air as it comes from the compressor to cause a more uniform flow of air through the pipeline and to collect moisture and oil carried in the air.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.


(1) A device that accepts signals. Contrast with "transmitter," which sends signals. The term is used generically to refer to "the side being sent to." For example, "by the time the signal gets to the receiver..." refers to whichever hardware device is at the other end of the communication.

(2) A unit of audio or audio/video equipment that serves as the primary control for a stereo or home theater system. See stereo receiver, A/V receiver and head unit.
Copyright © 1981-2019 by The Computer Language Company Inc. All Rights reserved. THIS DEFINITION IS FOR PERSONAL USE ONLY. All other reproduction is strictly prohibited without permission from the publisher.
References in periodicals archive ?
Normal ve anormal miyokardiyal sistolik fonksiyonlan ayirt edebilecek ortalama mitral anuler sistolik velosite ve strain indeksinin kesim noktalanrinin bulunmasinda ROC (Reciever Operating Characteristic) egrisi analizi kullanildi.
EW systems on the aircraft include an radar-warning reciever, an active lamming system, and a chaff/flare dispenser.
Without AFC the reciever's CFA is [+ or -]2.6 kHz, requiring a crystal accuracy of [+ or -]17.3 ppm at 150 MHz or [+ or -]5.8 ppm at 450 MHz.
It seems however, that a glitch in diverting the fax can end with it being sent to the wrong reciever, hence Mr Aderinola's remarkable scoop.
They agreed to terms with that owner to get the tenant two full floors, but the deal was complicated by the fact that a reciever had been appointed for this site just a few days earlier and approval was needed by the receiver and a judge.
In his letter to Withington, January 29, 1823, Emerson writes "reciever" (as he often does), rendered "receiver" by Tilton despite her having made a point of mentioning and promising to honor this characteristic misspelling.
Signal costs $595 including enhanced reciever and software.
The reciever tanks are engineered to store vacuum and to even out any vacuum fluctuations.
T/One added a direct-to-Mac package that eliminates the need for an interfaced PC reciever.
It requires that the message-forwarding computer have log-in privileges on the reciever. This has resulted in a system of relaying messages that involves gateways, polling and complicated addresses.