rollover

1. The process of incrementing, especially back to an initial value. (countable, uncountable)
2. A road traffic accident in which a vehicle overturns. (countable, uncountable)
3. A graphic element that changes its appearance when the cursor moves over it. (countable, uncountable)
4. A keyboard feature where each key is scanned independently, so that multiple simultaneous keypresses always register correctly. (countable, uncountable)
5. The sudden ignition of flammable gases (produced by pyrolysis in an oxygen-poor environment) near the ceiling of a room or other enclosed space. (countable, uncountable)
6. The reinvestment of funds in a new issue of the same or similar investment. (countable, uncountable)
7. A fee paid by a borrower in order to defer full repayment of a loan. (countable, uncountable)
8. A transfer of unused mobile service provider’s (minutes/etc) to carry over and be added to the service plan for future use. (US, countable, uncountable)

الجمع rollovers