certificate of deposit[CD]　

certificate of deposit[CD]　存款证　

formal instrument issued by a bank upon the deposit of funds which may not be withdrawn for a specific time period.Typically，an early withdrawal will incur a penalty.It also called a time deposit，this is a certificate issued by a bank or thrift that indicates a specified sum of money has been deposited.A CD bears a maturity date and a specified interest rate，and can be issued in any denomination.The duration can be up to five years.