ADJ.
over, proposed
VERB + DEANNEXATION
approved, shrunk
PREP.
through
ADV.
twice, unanimously
noun
The process of removing an annex.
The removal of territory from the jurisdiction of a national or subnational government.
The city council unanimously approved the deannexation of the proposed region.
The city's borders have shrunk twice through deannexation over the past decade.