coin 1 S3 / kɔɪn / 名词

1 [可数名词] a piece of metal, usually flat and round, that is used as money → bill , note

2 toss/flip a coin to choose or decide something by throwing a coin into the air and guessing which side of it will show when it falls :

Toss a coin to see who goes first.

3 the other/opposite side of the coin a different or opposite way of thinking about something :

Making the rules is only part of it. How the rules are carried out is the other side of the coin.

4 two sides of the same coin two problems or situations that are so closely connected that they are really just two parts of the same thing :

Great opportunity and great danger are two sides of the same coin.

5 [不可数名词] money in the form of metal coins

THESAURUS

money what you use to buy things, in the form of notes or coins : He spent all his money on computer equipment.

cash money in the form of coins and notes : I didn’t have any cash with me.

currency the money used in a particular country : The dollar gained in value against other currencies. | a single European currency

change money in the form of coins of low value : Do you have any small change? | a pocketful of loose change

note British English , bill American English a piece of paper money : a £20 note | a $5 bill

coin a flat round piece of metal used as money : She put some coins in the parking meter. | He took a coin out of his pocket.

a ten-pence/50-cent etc piece a coin worth a particular amount