LEARNit Dictionary

signal

noun
B1
1
B1
a movement or sound that you make to give somebody information, instructions, a warning, etc.
علامت, نشانه, اشاره
see also smoke signal, turn signal
2
B1
a piece of equipment that uses different coloured lights to tell drivers to go slower, stop, etc., used especially on railways and roads
چراغ راهنمایی, چراغ سیگنالی
The traffic signals were on red.
a stop signal
Delays are occurring as a result of signal failure on the northbound line.
3
B2
a series of electrical waves that carry sounds, pictures or messages, for example to a radio, television or mobile phone
سیگنال, امواج الکتریکی
radio signals
TV signals
a digital signal
a high-frequency signal
a radar signal
to emit a signal
to detect/pick up signals
I couldn't get a signal on my phone.
The signal is received by three different antennas at slightly different times.
The satellite is used for transmitting signals around the world.
The signal from the transmitter seems to have been boosted.
see also time signal
4
B2
an event, an action, a fact, etc. that shows that something exists or is likely to happen
علامت, نشانه
The rise in inflation is a clear signal that the government's policies are not working.
The court has given a strong signal that it disagrees with the government's position.
Chest pains can be a warning signal of heart problems.
Reducing prison sentences would send the wrong signals to criminals.
synonym indication
verb
B1
1
B1
to make a movement or sound to give somebody a message, an order, etc.
علامت دادن, اشاره کردن
2
to show that your vehicle is going to change direction, by using lights or your arm
راهنما بزن
Did you signal before you turned right?
to signal left/right
I signalled that I was going to turn left.
synonym indicate(8)
3
to be a sign that something exists or is likely to happen
نشان دادن, اشاره کردن, علامت دادن, هشدار دادن
These events appeared to signal the end of an era.
These changes clearly signal the end of the welfare state as we know it.
A fall in demand does not necessarily signal the death of the industry.
synonym indicate
4
to do something to make your feelings or opinions known
ابراز کردن, اعلان کردن, اشاره کردن, علامت دادن
He signalled his discontent by refusing to vote.
She has signalled (that) she is willing to stand as a candidate.
see also virtue signalling
adjective
1
important, clear and definite
مهم, قطعی, برجسته, مشخص, بارز, آشکار