say it: dif-ur-EN-shee-ayt
differentiate is a verb meaning "mark as different". It carries 6 recorded senses.
mark as different
“We distinguish several kinds of maple”
be a distinctive feature, attribute, or trait; sometimes in a very positive sense
“His modesty distinguishes him from his peers”
evolve so as to lead to a new species or develop in a way most suited to the environment
become distinct and acquire a different character
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for differentiate come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.