Differential (adjective)

1. Relating to or involving a difference or a distinguishing feature.
2. Calculating the difference between two or more values or amounts.

Origin:

Late 17th century: from latin differentialis, from differentia "difference".

Examples:

1. The differential diagnosis was difficult due to the similar symptoms.
2. The car had a limited slip differential for improved traction.
3. The stockbroker made a differential calculation of the value of the shares.
4. The differential equation was solved using advanced mathematical techniques.
5. The differential treatment of employees was deemed unfair by the union.