Meaning of “discriminate” - Learner’s Dictionary

discriminate

verb [ I ] uk us /dɪˈskrɪmɪneɪt/
TREAT UNFAIRLY

to treat someone unfairly because of their sex, race, religion, etc:

The company was accused of discriminating against people on the basis of age.
NOTICE

to notice a difference between two things:

Police dogs are very good at discriminating between different smells.

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