breakup
noun
us/ˈbreɪkˌʌp/breakupnoun(END)
[C]
the end of arelationship:
Theplannedbreakup of thecompanywill give him a lessimportantrole.
breakupnoun(DIVISION)
[U]
thedivisionof something intosmallerparts:
The breakup of theoiltankercausedseveredamagetoanimalandplantlife.