discrimination
US /dɪˌskrɪm.əˈneɪ.ʃən/
UK /dɪˌskrɪm.əˈneɪ.ʃən/

1.
the unjust or prejudicial treatment of different categories of people or things, especially on the grounds of ethnicity, age, sex, or disability
:
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Racial discrimination is a serious issue in many societies.
•
The company was accused of age discrimination.
2.
recognition and understanding of the difference between one thing and another
:
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He showed great discrimination in his choice of wines.
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The ability to make fine discriminations is crucial for a critic.