Focus on the pronunciation of burn rate
English definition of “burn rate”
› FINANCE the speed at which a new company spends the money that is available to it, when it is not making more money than it spends: The new product, launched last year, has cut the company burn rate by more than 800%. → See also cash burn rate
› the speed at which something uses fuel or energy: The plane's in-flight systems monitor the fuel burn rate.