plug 1 S3 / plʌɡ / 名词 [可数名词]

1 electricity

a) a small object at the end of a wire that is used for connecting a piece of electrical equipment to the main supply of electricity :

The plug on my iron needs changing.

an electric plug

b) especially British English informal a place on a wall where electrical equipment can be connected to the main electricity supply 同义词 socket , outlet American English

2 bath a round flat piece of rubber used for stopping the water flowing out of a bath or sink :

the bath plug

3 advertisement informal a way of advertising a book, film etc by mentioning it publicly, especially on television or radio

put/get in a plug (for something)

During the show she managed to put in a plug for her new book.

4 in an engine informal the part of a petrol engine that makes a spark , which makes the petrol start burning 同义词 spark plug :

Change the plugs every 10,000 miles.

5 pull the plug (on something) informal to prevent a plan, business etc from being able to continue, especially by deciding not to give it any more money :

The Swiss entrepreneur has pulled the plug on any further investment in the firm.

6 to fill a hole an object or substance that is used to fill or block a hole, tube etc

plug of

You can fill any holes with plugs of matching wood. → earplug

7 for holding screws British English a small plastic tube put in a hole to hold a screw tightly

8 a piece of something a piece of something pressed tightly together :

a plug of tobacco