[only before noun] (Accounting 会计) (about money, income, etc.) still remaining after other costs such as tax have been taken away（钱、收入等）剩余的◆The company uses residual cash to fund other commercial activities.公司使用剩余现金资助其他商业活动。still remaining at the end of a process残留的◆There are still a few residual problems with the computer program.计算机程序还有一些残留问题。