prorate
Pro*rate", v. t. [imp. & p. p. Prorated; p. pr. & vb. n. Prorating.] Etym: [From L. pro rata (sc. parte) according to a certain part, in proportion.] Defn: To divide or distribute proportionally; to assess pro rata.
Pro*rate", v. t. [imp. & p. p. Prorated; p. pr. & vb. n. Prorating.] Etym: [From L. pro rata (sc. parte) according to a certain part, in proportion.] Defn: To divide or distribute proportionally; to assess pro rata.