Englishfor English speakers
traffic
Noun
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Traffic is the things that move along a path, especially cars on a road.
Traffic is slow at rush hour.
On holiday weekends there are traffic jams that stretch for miles.
He turned quickly, nearly getting hit by oncoming traffic.
Almost half of all traffic accidents are alcohol-related.
Why does it take the traffic lights so long to turn green?
As the amount of traffic on the Internet increases, there are more and more problems.
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Traffic is the buying and selling of goods, especially illegal goods.
Governments are working to prevent the abduction and sale of, or traffic in children.
traffic
Verb
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If you traffic in certain goods, you buy and sell them, especially illegally.
They were arrested for trafficking in stolen goods.
signal
Noun
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A picture, or a light, or a movement of a hand, or other thing that tells people to do something.
When I make this signal with my hand, everybody walk to the front of the room.
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A picture, or a light, or a movement of a hand, or something else that lets someone recognize another person, a ship, an airplane or something else.
The sailor saw the signal on the other ship and so recognized it was the enemy.
signal
Verb
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When someone or something signals to someone, they use a signal to tell the person something.
The red light signals to the cars to stop.
installation
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noun
(= installing)
the act of installing something (as equipment)
the telephone installation took only a few minutes
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noun
(= facility)
a building or place that provides a particular service or is used for a particular industry
the assembly plant is an enormous facility
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noun
(= initiation, induction)
a formal entry into an organization or position or office
his initiation into the club
he was ordered to report for induction into the army
he gave a speech as part of his installation into the hall of fame