proratable


pro·rate

P0605200 (prō-rāt′, prō′rāt′)v. pro·rat·ed, pro·rat·ing, pro·rates v.tr. To divide, distribute, or assess proportionately.v.intr. To settle affairs on the basis of proportional distribution.
[From pro rata.]
pro·rat′a·ble adj.pro·ra′tion n.