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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 It might be outdated or ideologically biased.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 ?
In La Union, Caba, Naguilian and Santol will get P250,000 each, while Agoo City will receive P1 million.
But when she asked her pastor if she could receive Communion at the quinceanera Mass, the priest's answer was a simple no: She and her common-law husband of nearly 20 years had never married in the church.
By 2014, all retirees rated at 50 percent or above will receive both their longevity retirement pay and disability compensation.
The data suggest statistically significant differences between the distribution of males who receive free or reduced lunch, males who receive no lunch discount, females who receive free or reduced lunch and females who receive no lunch discount with respect to qualities most admired (as the Chi-square statistic (3) equaled 18.438, yielding a p value of less than .001), qualities most respected (as the Chi-square statistic (3) equaled 16.145, yielding a p value of less than .01) and qualities most emulated (as the Chi-square statistic (3) equaled 8.876, yielding a p value of less than .05).
Of the respondents, 22.4% receive two or three e-zines, followed by four or five (19.2%), six to 10 (18.1%), and more than 21 (14.8%).
When they receive Communion standing, it is strongly recommended that, coming up in procession, they should make a sign of reverence before receiving the Blessed Sacrament."
He receives Social Security checks that supplement his family's income.
- Friday 21: Mrs Hubner to receive Slovakia's deputy Prime Minister Pal Csaky; Mr Almunia to receive Norway's Finance Minister Per-Kristian Foss; Mr Spidla to meet Luxembourg's Minister for Labour and Employment, Culture, Higher Education, Research and Worship, Francois Biltgen (Luxembourg); Mr McCreevy to receive Philippe Maystadt, President of the European Investment Bank; Mrs Hubner to receive representatives of the AER (Association of European Regions); Mrs Hubner to attend the meeting of the Conference of Peripheral Maritime Regions of Europe (Tuscany Regional Bureau)
Stroger said the number of employee contributions he receives may be higher because he runs a political organization as well as the county government.
The Rubber Division, American Chemical Society, held its 164th Fall Technical Meeting and Rubber Expo 2003 in Cleveland, OH, on October 14-17, and one of the events included the selection of three individuals to receive the Rubber Division Science and Technology Awards.