dif·fer·en·tial adj \ˌdif-ə-ˈren-chəl\
: of, relating to, or constituting a difference <differential birth rates in different economic levels>
: making a distinction between individuals or classes <differential cell counts> <differential staining>
—dif·fer·en·tial·ly \-ˈrench-(ə-)lē\ adverb
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