- an error in dating that places an event earlier than it actually occurred
Compare parachronism
WordReference Random House Unabridged Dictionary of American English © 2026
pro•chro•nism
(prō′krə niz′əm, prok′rə-),USA pronunciation n.
- a chronological error in which a person, event, etc., is assigned a date earlier than the actual one;
prolepsis. Cf. anachronism, parachronism.
- pro-2 + Greek chrón(os) time + -ism. See anachronism 1640–50
Collins Concise English Dictionary © HarperCollins Publishers::
prochronism /ˈprəʊkrəˌnɪzəm/ n
'prochronism' also found in these entries (note: many are not synonyms or translations):