WordReference Random House Learner's Dictionary of American English © 2024IRS, an abbreviation of:- GovernmentInternal Revenue Service.
WordReference Random House Unabridged Dictionary of American English © 2024IRS, - GovernmentInternal Revenue Service.
Collins Concise English Dictionary © HarperCollins Publishers::
IRS abbreviation for - (in the US) Internal Revenue Service
- insulin resistance syndrome: a condition associated with diabetes mellitus in which higher than normal levels of insulin are present in the blood to compensate for the failure of normal insulin levels to perform their function