英语词汇“signal”的英英意思、用法、释义、翻译、读音、例句、短语、词组-英语词典

signalnoun [ C ]

uk/ˈsɪɡ.nəl/us/ˈsɪɡ.nəl/

signal noun [ C ] (ACTION)

B2 an action, movement, or sound that gives information, a message, a warning, or an order:

When she gave (them) the signal, they all cheered.

[ + that ] The fireworks were a signal that the festival had started.

[ + to infinitive ] The police officer gave us the signal to stop.

The signal for a race to start is often the firing of a gun.

US UK indicator a turn signal

More examples

At a prearranged signal, everyone started moving forwards.
I usually set my watch by the time signal on the radio.
At the given signal, the group rushed forward to the barrier.
I've been trying to call him all evening, but I keep getting the engaged signal.
A whistle is the signal for the children to line up ready to go into the classroom.

Thesaurus: synonyms and related words

The exterior of vehicles

brake light
bull bar
bumper sticker
hood
Klaxon
licence plate
license plate number
offside
petrol cap
radial
retread
roof
roof rack
side mirror
splash guard
stepney
tyre
vanity plates
wing
wing mirror

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signal noun [ C ] (WAVE)

B2 a series of electrical or radio waves that are sent to a radio or television in order to produce a sound, picture, or message

Examples

The picture quality is bad because the TV signal isn't powerful enough.
The equipment sent out a regular high-pitched signal.
There is some interference on the signal - do not adjust your set.

Thesaurus: synonyms and related words

Communications - general words

broadband
buzz
cable
caller ID
communication
constructive interference
cybernetics
destructive interference
Entryphone
fibre optics
fibre-optic cable
interference
microwave
multimedia
on-screen
optical fibre
pick sth up
relay
smart card
telegraph

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signal noun [ C ] (SHOWING)

something that shows that something else exists or is likely to happen:

The loss is a clear signal of his deteriorating confidence.

The changing colour of the leaves on the trees is a signal that it will soon be autumn.

signal noun [ C ] (EQUIPMENT)

equipment, especially on the side of a railway or road, often with lights, that tells drivers to stop, continue, or go more slowly:

a railway signal

a traffic signal

a road signal

Thesaurus: synonyms and related words

Railways & railway lines

Amtrak
artery
buffer
cable railway
funicular
grade crossing
junction
light railway
metro
monorail
narrow-gauge
point
railroad
railroad tie
rapid-transit
RR
subway
switch
switchback
track

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You can also find related words, phrases, and synonyms in the topics:

Roads: lights, signs & markings on roads

signalverb

uk/ˈsɪɡ.nəl/us/ˈsɪɡ.nəl/-ll- or US usually -l-

signal verb (ACTION)

C2 [ I or T ] to make a movement, sound, flash, etc. that gives information or tells people what to do:

Flashing lights on a parked car usually signal a warning (to other drivers).

He signalled left, and turned the lorry slowly.

He was signalling (= giving a signal) with a red flag.

She signalled for help.

[ + that ] She signalled to the cars behind her that they were going the wrong way.

[ + obj + to infinitive ] The children's mother signalled them to be quiet.

[ + to infinitive ] The children's mother signalled to/for them to be quiet.

More examples

She signalled to them to sit down.
The ship signalled for help.
A flashing light signalled that there was danger ahead.
I signalled left and turned into the driveway.

Thesaurus: synonyms and related words

Communicating & keeping in touch

ahold
bell
catch up
communicate
communication
communicative
give sb a bell idiom
hear
interact
interaction
pick
pick up the phone idiom
radio silence
raise
rapporteur
reach out to sb
ring (sb) back
send
send word idiom
touch

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signal verb (SHOW)

[ T ] to show that you intend or are ready to do something:

[ + that ] The union has signalled that the workers will strike.

The union has signalled the workers' intention to strike.

The death of Chairman Mao signalled (= marked) the end of an era in Chinese history.

单词	signal
释义	Contents noun (4) signal (ACTION) signal (WAVE) signal (SHOWING) signal (EQUIPMENT) verb (2) signal (ACTION) signal (SHOW) adjective (1) signal (1) Contents noun (2) signal (ACTION) signal (WAVE) adjective (1) signal (IMPORTANT) verb (1) signal (MAKE MOVEMENT) Contents noun (2) signal (1) signal (2) verb (1) signal (1) English American Business signalnoun [ C ] uk/ˈsɪɡ.nəl/us/ˈsɪɡ.nəl/ signal noun [ C ] (ACTION) B2 an action, movement, or sound that gives information, a message, a warning, or an order: When she gave (them) the signal, they all cheered. [ + that ] The fireworks were a signal that the festival had started. [ + to infinitive ] The police officer gave us the signal to stop. The signal for a race to start is often the firing of a gun. US UK indicator a turn signal More examples At a prearranged signal, everyone started moving forwards. I usually set my watch by the time signal on the radio. At the given signal, the group rushed forward to the barrier. I've been trying to call him all evening, but I keep getting the engaged signal. A whistle is the signal for the children to line up ready to go into the classroom. Thesaurus: synonyms and related words The exterior of vehicles brake light bull bar bumper sticker hood Klaxon licence plate license plate number offside petrol cap radial retread roof roof rack side mirror splash guard stepney tyre vanity plates wing wing mirror See more results » signal noun [ C ] (WAVE) B2 a series of electrical or radio waves that are sent to a radio or television in order to produce a sound, picture, or message Examples The picture quality is bad because the TV signal isn't powerful enough. The equipment sent out a regular high-pitched signal. There is some interference on the signal - do not adjust your set. Thesaurus: synonyms and related words Communications - general words broadband buzz cable caller ID communication constructive interference cybernetics destructive interference Entryphone fibre optics fibre-optic cable interference microwave multimedia on-screen optical fibre *pick sth* up relay smart card telegraph See more results » signal noun [ C ] (SHOWING) something that shows that something else exists or is likely to happen: The loss is a clear signal of his deteriorating confidence. The changing colour of the leaves on the trees is a signal that it will soon be autumn. signal noun [ C ] (EQUIPMENT) equipment, especially on the side of a railway or road, often with lights, that tells drivers to stop, continue, or go more slowly: a railway signal a traffic signal a road signal Thesaurus: synonyms and related words Railways & railway lines Amtrak artery buffer cable railway funicular grade crossing junction light railway metro monorail narrow-gauge point railroad railroad tie rapid-transit RR subway switch switchback track See more results » You can also find related words, phrases, and synonyms in the topics: Roads: lights, signs & markings on roads signalverb uk/ˈsɪɡ.nəl/us/ˈsɪɡ.nəl/-ll- or US usually -l- signal verb (ACTION) C2 [ I or T ] to make a movement, sound, flash, etc. that gives information or tells people what to do: Flashing lights on a parked car usually signal a warning (to other drivers). He signalled left, and turned the lorry slowly. He was signalling (= giving a signal) with a red flag. She signalled for help. [ + that ] She signalled to the cars behind her that they were going the wrong way. [ + obj + to infinitive ] The children's mother signalled them to be quiet. [ + to infinitive ] The children's mother signalled to/for them to be quiet. More examples She signalled to them to sit down. The ship signalled for help. A flashing light signalled that there was danger ahead. I signalled left and turned into the driveway. Thesaurus: synonyms and related words Communicating & keeping in touch ahold bell catch up communicate communication communicative give sb a bell idiom hear interact interaction pick pick up the phone idiom radio silence raise rapporteur reach out to sb ring (sb) back send send word idiom touch See more results » signal verb (SHOW) [ T ] to show that you intend or are ready to do something: [ + that ] The union has signalled that the workers will strike. The union has signalled the workers' intention to strike. The death of Chairman Mao signalled (= marked) the end of an era in Chinese history. signaladjective [ before noun ] uk/ˈsɪɡ.nəl/us/ˈsɪɡ.nəl/formal noticeable and unusual: a signal success/failure Thesaurus: synonyms and related words Unique and unusual accidental alt- alternative** be marked out as sth idiom be one in a million idiom extraordinary fantastic guerrilla incongruous inimitable irreplaceable personalize random rarity refreshing remarkable remarkably signally singular unwonted See more results » signalnoun [ C ] us/ˈsɪɡ·nəl/ signal noun [ C ] (ACTION) an action, movement, or sound that gives information, a message, a warning, or an order: I tried to call but kept getting a busy signal. When the lieutenant gave the signal, five police officers charged into the apartment. In retrospect, looking at how she was acting, we should have been able to recognize the danger signals. A signal is also a device, often with lights, that shows people or vehicles whether to stop, go, or move carefully. signal noun [ C ] (WAVE) a series of energy waves that carry a sound, picture, or other information: a low-frequency radio signal signaladjective us/ˈsɪɡ·nəl/fml signal adjective (IMPORTANT) unusual and important: You performed a signal service to our people, and we wish to express our gratitude. signalverb [ I/T ] us/ˈsɪɡ·nəl/ signal verb [ I/T ] (MAKE MOVEMENT) to make a movement, sound, etc. that gives information or tells people what to do: [ I ] When you learn to drive, you are told that you have to signal before you turn right or left. [ T ] The police officer signaled us to stop. signalnoun [ C ] uk/ˈsɪɡnəl/us a sign that something is true or that something is going to happen: a signal to sb It is a signal to the rest of the world that we are serious about global warming. a clear/strong /important signal a signal of sth It was a strong signal of the power now wielded by big institutional investors. mixed/conflicting/contradicting signals the right/wrong signal a positive signal COMMUNICATIONS a series of electrical or radio waves that are sent to a radio, television, or mobile phone in order to produce a sound, picture, or message: I couldn't get a signal on my phone. signalverb [ T ] uk/ˈsɪɡnəl/usUK -ll-, US -l- to show that something is going to happen or that you are going to do something: Drops in sales signal a tough year ahead. signal that It recently signalled that it would not stand in the way of a takeover bid.
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signalnoun [ C ]

signal noun [ C ] (ACTION)

signal noun [ C ] (WAVE)

signal noun [ C ] (SHOWING)

signal noun [ C ] (EQUIPMENT)

signalverb

signal verb (ACTION)

signal verb (SHOW)

signaladjective [ before noun ]

signalnoun [ C ]

signal noun [ C ] (ACTION)

signal noun [ C ] (WAVE)

signaladjective

signal adjective (IMPORTANT)

signalverb [ I/T ]

signal verb [ I/T ] (MAKE MOVEMENT)

signalnoun [ C ]

signalverb [ T ]