reversal
noun
[ rɪˈvəːs(ə)l ]
• a change to an opposite direction, position, or course of action.
• "a dramatic reversal in population decline in the Alps"
Similar:
turnaround,
turnabout,
about-face,
volte-face,
change of heart,
U-turn,
sea change,
swing,
shift,
swerve,
backtracking,
rowback,
turnround,
about-turn,
tergiversation,
swap,
exchange,
change,
swapping,
trade,
trading,
interchange,
transposition,
inversion,
alteration,
changing,
countermanding,
undoing,
setting aside,
upsetting,
overturning,
overthrow,
disallowing,
overriding,
overruling,
veto,
vetoing,
repudiation,
revocation,
repeal,
abrogation,
cancellation,
rescinding,
rescindment,
annulment,
nullification,
voiding,
invalidation,
negation,
quashing,
withdrawal,
recanting,
retraction,
recall,
rescission,
disannulment,
• direct production of a positive image from an exposed film or plate; direct reproduction of a positive or negative image.
• "a black-and-white reversal kit"
Origin:
late 15th century (as a legal term): from reverse + -al.