- (countable & uncountable) When someone makes a comparison between two things, the person thinks about how the two things are the same and how they are different, which one is bigger etc.
- I need to make some comparisons between different houses before I make a decision about which house to buy.
- A careful comparison will show that this cup has a little more water than the other cup.
Two pictures almost the same, close together so that people can make a comparison
A comparison between the Earth and Jupiter shows that Jupiter is much bigger.