What does the word differentiate mean?

Usage examples for differentiate

  1. Note that the spruce type is studied; no attempt is made at this stage to differentiate the several species of spruce. – Ontario Teachers' Manuals: Nature Study by Ontario Ministry of Education
  2. Thus, we can write Robert Stitt, M. D., but never Dr. Robert Stitt, M. D, or Mr. Robert Stitt, M. D. In writing to a medical doctor it is well to indicate his profession by the letters M. D. so as to differentiate him from a D. D. It is better to write Robert Stitt, M. D., than Dr. Robert Stitt. – How to Speak and Write Correctly by Joseph Devlin
  3. Why can we not differentiate according to their tastes and gifts? – London's Underworld by Thomas Holmes