difference

(dĭfˈər-əns, dĭfˈrəns)

1. The quality or condition of being unlike or dissimilar.
2. a. An instance of disparity or unlikeness.
   b. A degree or amount by which things differ.
   c. A specific point or element that distinguishes one thing from another.
3. A noticeable change or effect: Exercise has made a difference in her health.
4. a. A disagreement or controversy.
   b. A cause of a disagreement or controversy.
5. Discrimination in taste or choice; distinction.
6. Mathematics
   a. The amount by which one quantity is greater or less than another.
   b. The amount that remains after one quantity is subtracted from another.
7. Archaic A distinct mark or peculiarity.