(in the UK) a document issued to savers by the government guaranteeing fixed interest for five years on a deposit.
（英国） 政府发行的（五年期固定利率）储蓄存单
Example sentencesExamples
You can invest tax-free in National Savings and Investments Premium Bonds, Children's Bonds or various savings certificates.
You can also buy two-year and five-year index-linked savings certificates, the first currently paying 3% over inflation, and the second 2%, again tax-free.
Another good bet might be index-linked savings certificates from National Savings.
Taxfree savings certificates can prove popular, particularly for higher-rate taxpayers who have already used up their other tax-free options.
If you don't pay tax, then index-linked savings certificates are not for you.