accretion

n 1 [U] (a) growth or increase by means of gradual additions （逐渐地）生长, 增大. (b) the growing of separate things into one 连生; 合生. 2 [C] (a) added matter that causes such growth 增添物. (b) thing formed by the addition of such matter 积累而成的东西: a chimney blocked by an accretion of soot 被聚积的煤烟子所堵塞的烟囱.

according to, accordingly, accordion, accost, account, account for, account receivable, account to for, accountability, accountable, accountancy, accountant, accountee, accounting, accounts payable, accoutrements, Accra, accredit, accredited, accrete, accrual, accrue, accrued, accumulate, accumulation, accumulative, accumulator, accuracy, accurate, accurately, accursed, accusation, accusative, accusatory, accuse, accuse sb. of sth., accused, accused of, accuser, accusingly,