[im.plo.sion] n [
[2]in- + -plosion (as in explosion)] (1877) 1: the inrush of air in forming a suction stop
2: the action of imploding
3: the act or action of bringing to or as if to a center; also: integration "this ~ of cultures makes realistic for the first time the age-old vision of a world culture --Kenneth Keniston" -- im.plo.sive adj or n