I. ˈrem noun
( plural rem or rems )
Etymology: r oentgen e quivalent m an
: the dosage of any ionizing radiation that will cause the same amount of biological injury to human tissue as one roentgen of X-ray or gamma-ray dosage — compare rep
II. abbreviation
1. remain; remainder
2. remark
3. remit; remitted; remittance
4. remove