What is the meaning of differential in bengali?

Meaning(s):

1. relating to or showing a difference
2. involving or containing one or more derivatives
3. "differential equation"
4. the result of mathematical differentiation
5. the instantaneous change of one quantity relative to another
6. df(x)/dx
7. a quality that differentiates between similar things
8. a bevel gear that permits rotation of two shafts at different speeds
9. used on the rear axle of automobiles to allow wheels to rotate at different speeds on curves
10. अंतरीय The differential treatment of prisoners based on sex and social class
11. भिन्नक गियर = differential gear A gear that makes it possible for a vehicle's back wheels to turn at different speeds when going around corners
12. अंतर Income differentials