differentiation
noun
[ ˌdɪfərɛnʃɪˈeɪʃn ]
• the action or process of differentiating or distinguishing between two or more things or people.
• "packaging can be a source of product differentiation"
Similar:
distinction,
distinctness,
disparity,
polarity,
contrast,
difference,
divergence,
separation,
demarcation,
delimitation,