(in the UK) an index of the variation in the prices of retail goods and other items.
（英国）零售物价指数
Example sentencesExamples
The current ‘headline’ rate of inflation, the retail price index - which includes housing costs - is currently 3.2%, meaning that house prices in those areas are falling in real terms.
But by the time the retail price index starts to climb - and it may be some time before it does - it will be too late to protect your wealth.
The change will not affect the payment of benefits, which will continue to be indexed to the retail price index.
A student loan starts accruing interest from the moment it is borrowed, but the interest rate is pegged to the retail price index.
What's more, house-price growth has easily outstripped inflation (rising prices) elsewhere, with the core retail price index up only 28% over the past ten years.