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signal
5 ENTRIES FOUND:
plural signals
plural signals
Learner's definition of SIGNAL
[count]
1
: an event or act which shows that something exists or that gives information about something : sign信号（事件或行为） — often + of
- The change in his behavior is clearly a signal [=indication] that there is a problem.他行为的改变清楚地表明存在问题。
- He likes her but he is sending the wrong signals with his constant teasing.他喜欢她，可是他不断的戏弄给了她错误的信号。
- Inflammation is a signal of infection.发炎是感染的信号。
2
: something (such as a sound, a movement of part of the body, or an object) that gives information about something or that tells someone to do something信号，暗号（声音、身体动作或某物体等）
- Don't start until I give the signal. [=sign]等我发出信号再开始。
- The teacher gave us the signal to finish what we were working on and hand in our tests.老师示意我们结束做题，上交试卷。
- The pilot sent out a distress signal [=a message that the airplane was in danger] before the plane crashed.飞行员在飞机坠毁前发出了求救信号。
- They communicated with each other by using hand signals. [=movements of a person's hands that mean something]他们彼此用手势交流。
3
: a piece of equipment with colored lights that is used on railways and roads to tell people when to go, to slow down, or to stop交通信号灯；红绿灯
- Faulty wiring in the train station caused a signal to malfunction.火车站的线路故障导致了信号灯失灵。
- The traffic signal [=traffic light] was not working.交通信号灯坏了。
4
technical
a : a message, sound, or image that is carried by waves of light or sound（传播信息、声音、图像等的光波或声波的）信号
- The video/TV signal is scrambled.视频/电视信息被扰频。
- Satellite dishes receive television signals.卫星电视的碟形天线接收电视信号。
- a digital signal数字信号
- The transmitter beams radio signals into space.发射机向太空发射无线电信号。
b : a wave of light or sound that carries a message, sound, or image（传播信息、声音或图像的）光波，声波
- We'll need better equipment to generate a 50 Hz signal.为产生50赫兹的声波，我们需要更好的设备。
2 signal /ˈsɪgnl̟/ verb
signals US signaled or British signalled US signaling or British signalling
2 signal
/ˈsɪgnl̟/
verb
signals US signaled or British signalled US signaling or British signalling
Learner's definition of SIGNAL
1
[+ object] : to be a sign of (something) : to show the existence of (something)标志；表明
- Robins signal the arrival of spring.知更鸟是春天到来的标志。
- The election results surely signal the start/beginning of a new era.选举结果无疑标志着一个新纪元的开始。
- He signaled [=showed, communicated] his irritation by sighing and rolling his eyes dramatically.他夸张地叹息、翻白眼，以示自己非常恼怒。
- Redness, swelling, and painful itching signal [=indicate] an infection.发红、肿胀、又疼又痒说明有感染。
- A lock on the suitcase might signal that there's something of value inside.手提箱上的锁表明里面可能有贵重物品。
2
: to make a sound or motion that tells someone something发信号；示意
[no object]
- Did he signal before he made the left turn?他左转之前开转向灯了吗？
- They signaled at me to come over to their table.他们示意我去他们那桌。
- We signaled for help.我们发出了求救信号。
[+ object]
- He signaled us that it was time to begin the meeting.他示意我们是时候开始会议了。
- The umpire signaled a strike.裁判用手势示意这一球为好球。
3 signal /ˈsɪgnl̟/ adjective
3 signal
/ˈsɪgnl̟/
adjective
Learner's definition of SIGNAL
always used before a noun formal
: very important or great : significant重大的；显要的
- Is he worthy of such a signal honor?他够格获得如此大的荣誉吗？
- The bill's passage was a signal [=notable] victory for environmentalists.这项法案的通过是环境保护者的一个重大胜利。
2
a
: an act, event, or watchword that has been agreed on as the occasion of concerted action
b
: something that incites to action
4
a
: an object used to transmit or convey information beyond the range of human voice
b
: the sound or image conveyed in telegraphy, telephony, radio, radar, or television
c
: a detectable physical quantity or impulse (such as a voltage, current, or magnetic field strength) by which messages or information can be transmitted
signaled or signalled; signaling or signalling ˈsig-nə-liŋ 
2
a
: to communicate or indicate by or as if by signals
b
: to constitute a characteristic feature of (a meaningful linguistic form)
: to make or send a signal
signaler noun
or signaller
Synonyms
Example Sentences
Noun He likes her but he is sending the wrong signals with his constant teasing. The teacher gave us the signal to finish what we were working on and hand in our tests. Faulty wiring in the train station caused a signal to malfunction. Verb Robins signal the arrival of spring. The election results surely signal the start of a new era. A lock on the suitcase might signal that there's something of value inside. Did he signal before he made the left turn? They signaled at me to come over to their table. He signaled us that it was time to begin the meeting. The umpire signaled a strike. Adjective Is he worthy of such a signal honor? the Louisiana Purchase is cited by many historians as one of the most signal events in American history See More
Recent Examples on the Web
WIRED, 11 Sep. 2022 According to police, a man was walking across a marked crosswalk against a green signal when he was struck by a gold Cadillac, driven by 25-year-old Devi Marie Stubblefield. Vic Verbalaitis, The Arizona Republic, 11 Sep. 2022 Anderson was impressed by a crowd that hampered Alabama signal calls at the line of scrimmage all game. Jim Vertuno, ajc, 10 Sep. 2022 For example, using the new lane-change assist feature allows the driver to remain in hands-free mode by having the car maneuver to an adjacent lane simply by tapping the turn signal stalk. Drew Dorian, Car and Driver, 8 Sep. 2022 The council also approved moving forward with $233,000 in audio and visual improvements to the council chambers and television studio after struggling with sound, video and signal quality since the onset of the pandemic. Carrie Napoleon, Chicago Tribune, 7 Sep. 2022 Hill wrote the man, Mayor Paul Bailey’s son, citations for an alleged seatbelt violation and two turn signal infractions. Paighten Harkins, The Salt Lake Tribune, 6 Sep. 2022 Listening to Khaled’s albums is like searching for blessings amidst the chaff, and the signal-to-noise ratio is generally low. Mosi Reeves, Rolling Stone, 26 Aug. 2022 These phones all have Qualcomm's current X65 modem, which incorporates new antenna-tuning technology to make the most of weak-signal areas. Sascha Segan, PCMAG, 11 Aug. 2022 Jacob Livesay, USA TODAY, 19 June 2022 Calhoun’s appointment, however, could signal a real shift of political power to Black council members, since the mayor, who is white, also has the opportunity to vote. Rebecca Griesbach | Rgriesbach@al.com, al, 30 Aug. 2022 High inflation, stock market volatility and concerns over slower economic growth amid rising interest rates signal tougher times ahead. Laura Kreutzer, WSJ, 29 Aug. 2022 Sununu’s involvement in the Gunstock dispute could signal a turning point, said political consultant Scott Spradling. Holly Ramer, BostonGlobe.com, 28 Aug. 2022 Sununu’s involvement in the Gunstock dispute could signal a turning point, said political consultant Scott Spradling. Holly Ramer, ajc, 28 Aug. 2022 When whiskers are moved due to air currents or other external stimuli, the whiskers signal the brain to trigger the blink reflex, thus, closing the eyelids and protecting the eyes. Mythili Devarakonda, USA TODAY, 27 Aug. 2022 The unemployment rate can signal a healthy (or unhealthy) economy. Q.ai - Powering A Personal Wealth Movement, Forbes, 26 Aug. 2022 The drills marked a show of force in retaliation for a visit by U.S. House Speaker Nancy Pelosi, and could signal a new, threatening phase for the island, Asia’s most dangerous flashpoint, experts say. Ann Scott Tyson, The Christian Science Monitor, 26 Aug. 2022 Mark Sparrow, Forbes, 3 Aug. 2022 Finally, Mora needs to see leadership from his signal caller. Joe Arruda, Hartford Courant, 14 Aug. 2022 The wireless transmission uses the latest version of Bluetooth which provides more signal range and a stable connection when streaming from any Bluetooth 5.2 compatible device. Mark Sparrow, Forbes, 12 Apr. 2022 The global tax agreement had appeared to be a signal achievement for Ms. Yellen, who helped salvage negotiations that were flailing in the final months of the Trump administration. Richard Rubin, WSJ, 16 July 2022 As of June 30, there were 599 vacancies for safety positions, including bus drivers, rail maintenance staff, and signal workers, up from 586 vacancies at the end of May. Globe Staff, BostonGlobe.com, 14 July 2022 After all, pricing serves as a medium to deliver a signal giving more information about a product and service, and without knowing the value associated with a foreign currency, one simply cannot infer levels of accurate information. Josh Wilson, Forbes, 11 July 2022 This can boost speeds, efficiency, and signal quality while simultaneously reducing errors and interference. Simon Hill, Wired, 28 June 2022 There will also be a new team of workers to replace outdated signal loops — patches of pavement near stoplights that trigger lights to change when a car activates them. David Garrick, San Diego Union-Tribune, 13 June 2022 See More
Noun
Because the brain finds uncertainty aversive, the emotional realm will respond to unpredictability with a signal. WIRED, 11 Sep. 2022 According to police, a man was walking across a marked crosswalk against a green signal when he was struck by a gold Cadillac, driven by 25-year-old Devi Marie Stubblefield. Vic Verbalaitis, The Arizona Republic, 11 Sep. 2022 Anderson was impressed by a crowd that hampered Alabama signal calls at the line of scrimmage all game. Jim Vertuno, ajc, 10 Sep. 2022 For example, using the new lane-change assist feature allows the driver to remain in hands-free mode by having the car maneuver to an adjacent lane simply by tapping the turn signal stalk. Drew Dorian, Car and Driver, 8 Sep. 2022 The council also approved moving forward with $233,000 in audio and visual improvements to the council chambers and television studio after struggling with sound, video and signal quality since the onset of the pandemic. Carrie Napoleon, Chicago Tribune, 7 Sep. 2022 Hill wrote the man, Mayor Paul Bailey’s son, citations for an alleged seatbelt violation and two turn signal infractions. Paighten Harkins, The Salt Lake Tribune, 6 Sep. 2022 Listening to Khaled’s albums is like searching for blessings amidst the chaff, and the signal-to-noise ratio is generally low. Mosi Reeves, Rolling Stone, 26 Aug. 2022 These phones all have Qualcomm's current X65 modem, which incorporates new antenna-tuning technology to make the most of weak-signal areas. Sascha Segan, PCMAG, 11 Aug. 2022 Verb
According to Purina, cats’ kneading may serve a territorial purpose, since their paws have scent glands which release pheromones that signal to other cats. Jacob Livesay, USA TODAY, 19 June 2022 Calhoun’s appointment, however, could signal a real shift of political power to Black council members, since the mayor, who is white, also has the opportunity to vote. Rebecca Griesbach | Rgriesbach@al.com, al, 30 Aug. 2022 High inflation, stock market volatility and concerns over slower economic growth amid rising interest rates signal tougher times ahead. Laura Kreutzer, WSJ, 29 Aug. 2022 Sununu’s involvement in the Gunstock dispute could signal a turning point, said political consultant Scott Spradling. Holly Ramer, BostonGlobe.com, 28 Aug. 2022 Sununu’s involvement in the Gunstock dispute could signal a turning point, said political consultant Scott Spradling. Holly Ramer, ajc, 28 Aug. 2022 When whiskers are moved due to air currents or other external stimuli, the whiskers signal the brain to trigger the blink reflex, thus, closing the eyelids and protecting the eyes. Mythili Devarakonda, USA TODAY, 27 Aug. 2022 The unemployment rate can signal a healthy (or unhealthy) economy. Q.ai - Powering A Personal Wealth Movement, Forbes, 26 Aug. 2022 The drills marked a show of force in retaliation for a visit by U.S. House Speaker Nancy Pelosi, and could signal a new, threatening phase for the island, Asia’s most dangerous flashpoint, experts say. Ann Scott Tyson, The Christian Science Monitor, 26 Aug. 2022 Adjective
These quick-release plugs can be easily detached from the earpieces and create a robust connection without signal loss. Mark Sparrow, Forbes, 3 Aug. 2022 Finally, Mora needs to see leadership from his signal caller. Joe Arruda, Hartford Courant, 14 Aug. 2022 The wireless transmission uses the latest version of Bluetooth which provides more signal range and a stable connection when streaming from any Bluetooth 5.2 compatible device. Mark Sparrow, Forbes, 12 Apr. 2022 The global tax agreement had appeared to be a signal achievement for Ms. Yellen, who helped salvage negotiations that were flailing in the final months of the Trump administration. Richard Rubin, WSJ, 16 July 2022 As of June 30, there were 599 vacancies for safety positions, including bus drivers, rail maintenance staff, and signal workers, up from 586 vacancies at the end of May. Globe Staff, BostonGlobe.com, 14 July 2022 After all, pricing serves as a medium to deliver a signal giving more information about a product and service, and without knowing the value associated with a foreign currency, one simply cannot infer levels of accurate information. Josh Wilson, Forbes, 11 July 2022 This can boost speeds, efficiency, and signal quality while simultaneously reducing errors and interference. Simon Hill, Wired, 28 June 2022 There will also be a new team of workers to replace outdated signal loops — patches of pavement near stoplights that trigger lights to change when a car activates them. David Garrick, San Diego Union-Tribune, 13 June 2022 See More Word History
Etymology
Noun
Middle English, from Medieval Latin signale, from Late Latin, neuter of signalis of a sign, from Latin signum
Adjective
modification of French signalé, past participle of signaler to distinguish, from Old Italian segnalare to signal, distinguish, from segnale signal, from Medieval Latin signale
First Known Use
Noun
15th century, in the meaning defined at sense 1
Verb
1800, in the meaning defined at transitive sense 1
Adjective
1591, in the meaning defined above
Time Traveler
The first known use of signal was in the 15th century Phrases Containing signal
noun¹
both
noun²
noun³
verb¹
verb²
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