sci‧ence S1 W1 / saɪəns / 名词

1 [不可数名词] knowledge about the world, especially based on examining, testing, and proving facts :

Many leading scientists do not consider that science can give absolutely reliable knowledge.

the founder of modern science, Isaac Newton

developments in science and technology

2 [不可数名词] the study of science :

What did you do in science class today?

3 [可数名词] a particular part of science, for example biology , chemistry , or physics :

the physical sciences

4 something is not an exact science used to say that something involves a lot of guessing and there is not just one right way to do it :

Advertising is not an exact science – you’re always taking a risk.

→ domestic science , information science , natural science , physical science , social science , → blind somebody with science at blind 2 ( 4 ) , → something is not rocket science at rocket science