a change to an opposite direction, position, or course of action:a dramatic reversal in population decline in the Alpsthe reversal of tidal currents
Law an annulment of a judgment, sentence, or decree made by a lower court or authority:the Court has upheld the appellate justices in their reversal of the trial court judgment
an adverse change of fortune:the league champions suffered a reversal at the finals last month
Photography direct production of a positive image from an exposed film or plate; direct reproduction of a positive or negative image.
Origin:
late 15th century (as a legal term): from the verb reverse + -al
