a·nach·ro·nism 
(ə-năkrə-nĭz′əm)
(ə-năkrə-nĭz′əm)n.
1. The representation of someone as existing or something as happening in other than chronological, proper, or historical order.
2. One that is out of its proper or chronological order, especially a person or practice that belongs to an earlier time: "A new age had plainly dawned, an age that made the institution of a segregated picnic seem an anachronism" (Henry Louis Gates, Jr.)
[French anachronisme, from New Latin anachronismus, from Late Greek anakhronismos, from anakhronizesthai, to be an anachronism : Greek ana-, ana- + Greek khronizein, to take time (from khronos, time).]
a·nach′ro·nistic, a·nachro·nous (-nəs) adj.
a·nach′ro·nisti·cal·ly, a·nachro·nous·ly adv.