Discrimination (noun)

1. Unfair treatment of a person or group on the basis of prejudice.
2. The unjust or prejudicial treatment of different categories of people.
3. The practice of treating one person or group of people differently from another.
4. The act of showing prejudice or bias towards a person or group.
5. Unfair treatment of a person or group based on prejudice or bias.

Origin:

Late middle english: from latin discriminat- "distinguished between," from the verb discriminare, from discrimen "point of distinction".

Examples:

1. Discrimination based on race is illegal.
2. The company was accused of discrimination against women.
3. Age discrimination is a growing concern in the workforce.
4. He faced discrimination because of his religion.
5. The new law aims to prevent discrimination against people with disabilities.