signal
Từ điển Collocation
signal noun
1 sign/action/sound that sends a message
ADJ. clear, unmistakable | agreed, pre-arranged | conflicting, confusing, contradictory, mixed | wrong Laughing when you should be crying sends out the wrong signals to people. | alarm, danger, distress, warning | hand, non-verbal, semaphore, smoke, verbal, visual
VERB + SIGNAL arrange He had arranged a signal for the band to begin. | give (sb), make, send (out) When I give the signal, run! | interpret (sth as), read, see sth as The remark was seen as a signal that their government was ready to return to the peace talks. | pick up, respond to Interviewers quickly learn to pick up non-verbal signals. | act as The insect's bright colours act as warning signals to its predators.
SIGNAL + VERB come from sth trying to read the signals coming from the patient | indicate sth the signals that can indicate danger
PREP. at/on a ~ At a pre-arranged signal, everyone started cheering. | ~ for She made a signal for the car to stop. | ~ from/to Wait for the signal from the leader of your group.
2 set of lights for drivers
ADJ. railway, traffic
VERB + SIGNAL operate
SIGNAL + VERB be (on) red/green The traffic signals were on red. | fail
SIGNAL + NOUN box | failure
3 series of radio waves, chemical messages, etc.
ADJ. faint, weak | strong | high-frequency, low-frequency | acoustic, analogue, audio, chemical, digital, electrical, electronic, light, radar, radio, sonar, sound, television/TV, video, wireless
VERB + SIGNAL carry, pass The nerves carry these signals to the brain. | convert (sth into), scramble, unscramble The signal is scrambled into code before it is sent. | emit, generate, send, transmit | detect, pick up, receive, respond to This equipment can detect very low frequency signals.
SIGNAL + VERB travel A light signal can travel well over 16km before it halves in intensity. | fade
PREP. ~ from a faint signal from the satellite | ~ to
Từ điển WordNet
n.
- any communication that encodes a message; signaling, sign
signals from the boat suddenly stopped
- any incitement to action
he awaited the signal to start
the victory was a signal for wild celebration
- an electric quantity (voltage or current or field strength) whose modulation represents coded information about the source from which it comes
v.
- communicate silently and non-verbally by signals or signs; sign, signalize, signalise
He signed his disapproval with a dismissive hand gesture
The diner signaled the waiters to bring the menu
- be a signal for or a symptom of; bespeak, betoken, indicate, point
These symptoms indicate a serious illness
Her behavior points to a severe neurosis
The economic indicators signal that the euro is undervalued
Microsoft Computer Dictionary
n. 1. Any electrical quantity, such as voltage, current, or frequency, that can be used to transmit information. 2. A beep or tone from a computer’s speaker or a prompt displayed on screen that tells a user that the computer is ready to receive input.
Bloomberg Financial Glossary
To convey information through a firm's actions. The more costly it is to provide a signal, the more credibility it has. For example, to call a press conference and tell everyone that the firm's prospects have improved is less effective than saying the same thing and raising the dividend.
English Synonym and Antonym Dictionary
signals|signaled|signalled|signaling|signalling
syn.: bespeak betoken indicate point sign signaling signalise signalize
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