释义 |
WordReference Random House Unabridged Dictionary of American English © 2024re-lay (rē lā′),USA pronunciation v.t., -laid, -lay•ing. - to lay again.
Also, relay. re•lay1 (n. rē′lā;v. rē′lā, ri lā′),USA pronunciation n., v., -layed, -lay•ing. n. - a series of persons relieving one another or taking turns;
shift. - a fresh set of dogs or horses posted in readiness for use in a hunt, on a journey, etc.
- Sport
- See relay race.
- a length or leg in a relay race.
- Mechanical Engineering[Mach.]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.
- Electricitya 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.
- Aerospace(cap.) [U.S. Aerospace.]one of an early series of experimental low-altitude, active communications satellites.
v.t. - to carry forward by or as if by relays:to relay a message.
- to provide with or replace by fresh relays.
- Electricity, Telecommunicationsto retransmit (a signal, message, etc.) by or as if by means of a telegraphic relay.
v.i. - Telecommunications, Electricity[Elect.]to retransmit a signal or message electronically.
- Middle French, derivative of relaier
- Latin laxāre (see relax); (noun, nominal) late Middle English relai set of fresh hounds
- Middle French relaier, Old French: to leave behind, release, equivalent. to re- re- + laier to leave, dialect, dialectal variant of laissier
- (verb, verbal) late Middle English relaien to unleash fresh hounds in a hunt 1375–1425
re•lay2 (rē lā′),USA pronunciation v.t., -laid, -lay•ing. - re-lay.
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