| n. 1.  a.  The act of distinguishing; differentiation: economists making an ongoing distinction between domestic and foreign markets. b.  The condition or fact of being dissimilar or distinct; difference: "the crucial distinction between education and indoctrination" (A. Bartlett Giamatti). See Synonyms at  difference. 2.  A distinguishing factor, attribute, or characteristic: a legal system blind to distinctions of race, gender, and class. 3.  a.  Excellence or eminence, as of performance, character, or reputation: a diplomat of distinction. b.  A special quality or accomplishment conferring uniqueness or honor: has the distinction of being the tallest in his class. c.  Recognition of achievement or superiority; honor: graduated with distinction. d.  An award or honor given to someone for outstanding achievement: won many distinctions while in the military. | 
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