demilitarize

de|mili|ta|rize /d'iːm'ɪlɪtəraɪz/ (demilitarizes demilitarizing demilitarized)
in BRIT, also use demilitarise
[VERB] V n
To demilitarize an area means to ensure that all military forces are removed from it.
He said the UN had made remarkable progress in demilitarizing the region...
demilitarization [N-UNCOUNT]
Demilitarization of the country was out of the question.