signal
991
3.8
- noun
- /ˈsɪɡnəl/
- Specialized
:
señal
- We know there's a signal at the base for sure.
- signal-to-noise ratio
- signal and noise
- digital signal
And they detected a very, very weak signal using this antenna.
- And they detected a very, very weak signal using this antenna.
- And when this TV breaks down, the signal still exists, right?
- If it's not on task for the signal, it's noise.
Examples
-
The signal's coming from in here.
-
And when this TV breaks down, the signal still exists, right?
-
Actually, we sent the original signal very quickly.
-
So I got a fairly strong signal, very strong.
-
And then they split the signal between two drivers.
-
Can you pick up their signal?
-
So that it only picks up the broadcast signal from Mission Control.
-
Well, we have a very weak signal via satellite comm relay.
-
Thus, a TV set detecting only the luminance signal still displays a normal black-and-white picture.
Academic text (1999) -
The technician improved the system by amplifying the signal for clearer communication.
Synonyms
26
2.7
A wave used to send or receive information through the air
2
3.7
A small flow of electricity that carries information like sound, picture or data
1
3.8
An electrical change that enters a device as information to be processed
Antonyms
Compounds
- Specialized
37
3.1
A signal sent by a ship, plane, or person asking for emergency help
8
1.4
A system of colored lights where roads meet that tells cars and people when to go
- US
7
2.5
A flashing light on a vehicle that shows which way the driver will turn or change lanes
- Specialized
2
3.7
A small flow of electricity that carries information like sound, picture or data
- Specialized
2
6.3
How strong a wanted sound or message is compared to background noise
- Jargon
2
7.4
A player who leads the team's offense by calling plays, usually the quarterback
- Specialized
1
3.8
A message shown by lights, signs or gestures to give people information
- Specialized
1
3.8
An electrical change that enters a device as information to be processed
- UK
1
6.7
A small building where people control railway signals and switches to direct trains
- Specialized
An unwanted noise from other sources that gets in the way of a measurement
- Specialized
Sending messages with flags by moving them in set patterns over a distance, often between ships
- Archaic
A series of short and long sounds sent over wires to show letters and words
- Specialized
A tall tower that holds antennas to send and receive radio or phone signals
- Jargon
A sound that makes people get out of bed, often used in camps or the military
- Specialized
An electronic signal that makes a device leave sleep mode and start working
How Strong
- Specialized
- Specialized
991
3.8
Surface Forms
Etymology
Signal comes from the Latin signum, meaning 'sign', and is the same root as the English word sign. In electronics a signal is like a 'sign' made of electric changes that carries information, so a weak signal gives weak information.