signal: definition of signal in Oxford dictionary (American English) (US)
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`email cite discuss
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`signal 1
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`See definition in Oxford Advanced Learner's Dictionary
`Syllabification: sig·nal
`Pronunciation: /ˈsiɡnəl/
`
`noun
`
`1A gesture, action, or sound that is used to convey information or instructions, typically by prearrangement
`between the parties concerned: the firing of the gun was the signal for a chain of beacons to be lit [with
`infinitive]: the policeman raised his hand as a signal to stop
`More example sentences
`
`• Jumping onto a table, Crush raised her hands in the air as a signal for her friends to stop they were doing;
`she watched as they obliged, halting their food war.
`• Tired, grumpy, she waved her hand as a signal for me to come in.
`• So we waited for either John our floor warden to let us know what we should do, or for an evacuation
`signal to sound.
`• Get more examples
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`Synonyms
`gesture, sign, wave, gesticulation, cue, indication, warning, motion
`View synonyms
`1.1An indication of a state of affairs: the markets are waiting for a clear signal about the direction of policy
`More example sentences
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`• Education Leeds assistant chief executive Roland Absalom said it was a clear signal that the situation was
`improving.
`• The data on rising earnings comes amid conflicting signals about the job situation for technology
`professionals in the United States.
`• When the stressful situation ends, hormonal signals switch off the stress response and the body returns to
`normal.
`• Get more examples
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`Synonyms
`indication, sign, symptom, hint, pointer, intimation, clue, demonstration, evidence, proof
`View synonyms
`1.2An event or statement that provides the impulse or occasion for something specified to happen: the
`champion’s announcement that he was retiring was the signal for scores of journalists to gather at his last
`match
`More example sentences
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`• A drop in the intracellular concentration of glutamine provides a signal for the activation of transcription
`of nitrogen-regulated genes.
`• The oxidative stress caused by ozone may serve as the initial signal for programmed cell death and a
`hypersensitive response.
`• Gerard Rice made it 2-1 for Newcastle midway through the second half, a signal for the Seasiders to turn
`up the pressure.
`• Get more examples
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`Synonyms
`
`E-Watch, INc.
`Exh. 2012
`Petitioner - HTC Corporation, et al.
`Patent Owner - E-Watch, Inc.
`IPR2014-00987/IPR2015-00541 and
`IPR2014-00989/IPR2015-00543
`http://www.oxforddictionaries.com/us/definition/american_english/signal
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`signal: definition of signal in Oxford dictionary (American English) (US)
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`Page 5 of 13
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`cue, prompt, impetus, stimulus
`informal go-ahead
`View synonyms
`1.3An apparatus on a railroad, typically a colored light or a semaphore, giving indications to train engineers of
`whether or not the line is clear.
`Example sentences
`
`• At one point, we had to stop at an interlocking and the dispatcher couldn't clear the signal because of the
`train ahead.
`• At the Hayward's Heath accident in 1973 the driver misread the signals and drove his loopline train on to
`the main line and it was struck from behind by an express.
`• Mitchell said police had yet to determine whether the railway signals and gates were working at the time
`of the crash.
`• Get more examples
`
`1.4 Bridge A prearranged convention of bidding or play intended to convey information to one’s partner.
`Example sentences
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`• Make an agreement with your partner to look for the signal after each time that the cards are swept away.
`• When playing against a trump contract this can be achieved by a simple system of discard signals.
`• Naturally they will try to do this while the opponents are not looking, but as the signals do not need to be
`true, you can also try to confuse the opponents by passing misleading signals, at the risk of confusing your
`partner as well.
`• Get more examples
`
`2An electrical impulse or radio wave transmitted or received: equipment for receiving TV signals
`More example sentences
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`• Each cell has a base station that transmits and receives signals over just a small fraction of the frequencies
`to which the network operator has access.
`• These chips feature an antenna to transmit and receive radio signals.
`• The development of the electromagnet about 1837 provided the American Samuel F. B. Morse with a way
`to transmit and receive electric signals.
`• Get more examples
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`verb (signals, signaling, signaled ; chiefly British signals, signalling, signalled)
`
`[no object]Back to top
`1Transmit information or instructions by means of a gesture, action, or sound: hold your fire until I signal
`More example sentences
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`• Madoka's father must have handed the parking attendant a tip ahead of time with instructions to signal
`when Madoka and her mother arrived.
`• Claire no sooner had entered the EMS station that the bell sounded, signaling that they were needed
`somewhere to help somebody.
`• After what seemed like an eternity to Jalen, the hunting horn sounded, signaling in the hunt's end.
`• Get more examples
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`1.1 [with object and infinitive] Instruct (someone) to do something by means of gestures or signs rather than
`explicit orders: she signaled Charlotte to be silent
`More example sentences
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`• I made motions with my hand signaling Elizabeth to keep it down.
`• She gave the thumbs-up sign to her mechanic, signaling him to get out of the way.
`• He leaned back and waved his hand signalling Andrea to go over to him.
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`http://www.oxforddictionaries.com/us/definition/american_english/signal
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`

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`signal: definition of signal in Oxford dictionary (American English) (US)
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`Page 6 of 13
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`• Get more examples
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`Synonyms
`gesture, sign, give a sign to, direct, motion;
`wave, beckon, nod
`View synonyms
`1.2(Of a cyclist, motorist, or vehicle) indicate an intention to turn in a specified direction using an extended arm
`or flashing indicator: [with complement]: Stone signaled right [with infinitive]: the truck signaled to turn left
`More example sentences
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`• His report also states that the defendant vehicle signaled and turned left onto Orenda.
`• That may lead to the issue of whether he was simply following this tractor trailer too closely or whether,
`in fact, if the tractor trailer wasn't signaling.
`• It may be a split second of indecision at a roundabout, a moment's inattention while pulling out of a
`parking space, a failure to spot another driver signalling.
`• Get more examples
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`1.3Indicate the existence or occurrence of (something) by actions or sounds: [with object]: they could signal
`displeasure by refusing to cooperate [with clause]: she gave a glance that signaled that her father was being
`secretive
`More example sentences
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`• Counselors need to understand that the sound of sirens may signal danger to them.
`• She recognized the sound - it signalled a weapons lock-on.
`• For the best part of a century, that clanging sound signalled the abrupt end of an English night out.
`• Get more examples
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`Synonyms
`indicate, show, express, communicate, proclaim, declare
`View synonyms
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`Derivatives
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`signaler
`
`1P
`
`ronunciation: /ˈsiɡnələr/
`noun
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`Example sentences
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`• The event on Saturday was aimed at highlighting the 15,000 jobs in more than 140 trades which the
`Army has to offer, with engineers, signallers, guardsmen and mechanics among those on hand to
`talk to young people and their families.
`• About 300 engineers and 700 signallers will be recruited from school leavers, graduates, those who
`took early retirement, people returning from a career break and professional engineers.
`• Thousands of drivers, signallers and maintenance workers walked out from 6.30 pm yesterday
`causing the worst travel disruption in the capital for two years.
`• Get more examples
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`Origin
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`Late Middle English: from Old French, from medieval Latin signale, neuter of late Latin signalis, from Latin
`signum 'mark, token' (see sign). The verb dates from the early 19th century.
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`http://www.oxforddictionaries.com/us/definition/american_english/signal