To make different; to change, modify.
To (cause to) go through a process of development called differentiation; to make or become different in form or function.
To recognize a distinction or difference between two things.
To perceive the difference between things; to discriminate.
To calculate the derivative of a function.
To calculate the differential of a function of multiple variables.
To teach a lesson in multiple different ways in order to meet the needs of more or less advanced students.
Something that has been differentiated or stratified.
To alter to make more suited for a different purpose.
To reuse for a different purpose, on a long-term basis, without alteration.