Real Dictionary

residual in Accounting
adjective: A residual amount is an amount that is left over or remains.

residual in American English
of, or having the nature of, a residue or residuum; left over after part or most is taken away; remaining
what is left at the end of a process; something remaining
adjective: pertaining to or constituting a residue or remainder; remaining; leftover
noun: a residual quantity; remainder

residual in British English
adjective: of, relating to, or designating a residue or remainder; remaining; left over
noun: something left over as a residue; remainder

residual in Finance
adjective: A residual amount is an amount that is left over or remains.

residual in Insurance
adjective: Residual debt is money that remains to be paid and is still owed to someone.