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relay1

[noun ree-ley; verb ree-ley, ri-ley]
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noun
  1. a series of persons relieving one another or taking turns; shift.
  2. a fresh set of dogs or horses posted in readiness for use in a hunt, on a journey, etc.
  3. Sports.
    1. relay race.
    2. a length or leg in a relay race.
  4. Machinery. an automatic control device in which the settings of valves, switches, etc., are regulated by a powered element, as a motor, solenoid, or pneumatic mechanism actuated by a smaller, sensitive element.
  5. Electricity. a device, usually consisting of an electromagnet and an armature, by which a change of current or voltage in one circuit is used to make or break a connection in another circuit or to affect the operation of other devices in the same or another circuit.
  6. (initial capital letter) U.S. Aerospace. one of an early series of experimental low-altitude, active communications satellites.
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verb (used with object), re·layed, re·lay·ing.
  1. to carry forward by or as if by relays: to relay a message.
  2. to provide with or replace by fresh relays.
  3. Electricity. to retransmit (a signal, message, etc.) by or as if by means of a telegraphic relay.
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verb (used without object), re·layed, re·lay·ing.
  1. Electricity. to retransmit a signal or message electronically.
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Origin of relay1

1375–1425; (v.) late Middle English relaien to unleash fresh hounds in a hunt < Middle French relaier, Old French: to leave behind, release, equivalent to re- re- + laier to leave, dialectal variant of laissier < Latin laxāre (see relax); (noun) late Middle English relai set of fresh hounds < Middle French, derivative of relaier

relay2

[ree-ley]
verb (used with object), re·laid, re·lay·ing.
  1. re-lay.
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re-lay

or re·lay

[ree-ley]
verb (used with object), re-laid, re-lay·ing.
  1. to lay again.
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Origin of re-lay

First recorded in 1580–90; re- + lay1
Can be confusedre-lay relay
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

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British Dictionary definitions for relayed

relay

noun (ˈriːleɪ)
  1. a person or team of people relieving others, as on a shift
  2. a fresh team of horses, dogs, etc, posted at intervals along a route to relieve others
  3. the act of relaying or process of being relayed
    1. short for relay race
    2. one of the sections of a relay race
  5. an automatic device that controls the setting of a valve, switch, etc, by means of an electric motor, solenoid, or pneumatic mechanism
  6. electronics an electrical device in which a small change in current or voltage controls the switching on or off of circuits or other devices
  7. radio
    1. a combination of a receiver and transmitter designed to receive radio signals and retransmit them, in order to extend their range
    2. (as modifier)a relay station
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verb (rɪˈleɪ) (tr)
  1. to carry or spread (something, such as news or information) by relays
  2. to supply or replace with relays
  3. to retransmit (a signal) by means of a relay
  4. British to broadcast (a performance) by sending out signals through a transmitting stationthis concert is being relayed from the Albert Hall
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Word Origin

C15 relaien, from Old French relaier to leave behind, from re- + laier to leave, ultimately from Latin laxāre to loosen; see relax
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for relayed

relay

n.

late 14c., "hounds placed along a line of chase," from Middle French relai "reserve pack of hounds or other animals" (13c.), from Old French relaier "to exchange tired animals for fresh," literally "leave behind," from re- "back" (see re-) + laier "to leave" (see delay (v.)). The etymological sense is "to leave (dogs) behind (in order to take fresh ones)." Of horses, 1650s. Electromagnetic sense first recorded 1860. As a type of foot-race, it is attested from 1898.

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relay

v.

c.1400, "to set a pack of (fresh) hounds after a quarry;" also "change horses," from Old French relaiier, from relai (see relay (n.)). Related: Relayed; relaying.

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re-lay

v.

"to lay again," 1590s, from re- + lay (v.). Related: Re-laid; re-laying.

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Online Etymology Dictionary, © 2010 Douglas Harper
relayed in Science

relay

[rē′lā]
  1. An electrical switch that is operated by an electromagnet, such as a solenoid. When a small current passes through the electromagnet's coiled wire, it produces a magnetic field that attracts a movable iron bar, causing it to pivot and open or close the switch.
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The American Heritage® Science Dictionary Copyright © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.