Meaning of “contrast” - Learner’s Dictionary

contrast

noun [ C, U ] uk us /ˈkɒntrɑːst/

B2 an obvious difference between two people or things:

The contrast between their lifestyles couldn't be greater.
The busy north coast of the island is in sharp contrast to the peaceful south.
by/in contrast

B2 used to show that someone or something is completely different from someone or something else:

She's quite petite, in contrast with her tall sister.

(Definition of “contrast noun” from the Cambridge Learner’s Dictionary © Cambridge University Press)