rollback

noun rollbacks

1. countable, uncountable A return to a prior state by undoing some operation, especially of policy or price changes. The mining industry also had a hand in two other rollbacks. One was a decision to withdraw a Clinton rule that reduced by 80 percent the permissible standard for arsenic in drinking water.
2. countable, uncountable A withdrawal of military forces.
3. countable, uncountable An operation which returns a database, or group of records in a database, to a previous state (normally to the previous commit point). Near-synonyms: reversion, revert (sometimes synonymous)

   Similar: reversion, revert

4. countable, uncountable The situation where a rollercoaster fails to reach the top of a hill and instead rolls backward.
5. countable, informal, uncountable A form of flatbed truck adapted or designed specifically to carry other vehicles, for use in recovery (wrecking, salvage) or for transporting. Near-synonym: tow truck (loosely often synonymous)

   Similar: slide truck, tow truck[Appendix:Glossary

6. countable, uncountable The strategy of forcing a change in the major policies of a state, usually by replacing its ruling regime, or by totally annihilating an enemy's armed forces and occupying the country, as was done in World War II to Italy, Germany, and Japan. During the 1990s the Pope, who played such a central role in the rollback of communism, was one of the few international figures who could be heard speaking out against the new capitalist order.

   Similar: regime change

7. countable, uncountable An uncommanded reduction in the thrust of a jet engine. The data was examined with respect to oil pressure. This showed that both the left and right engines' oil pressure generally follow each other until the start of the final acceleration, which resulted in first the right and then the left engines rolling back. The left engine oil pressure rose, as ex

verb rollbacks · rollbacking · rollbacked

1. transitive To return to the previous state. The server is unstable, we need to rollback the changes.
2. intransitive, of a jet engine To reduce thrust without having been commanded to do so. The first test involved placing the restriction immediately upstream of the FOHE. As it was known that the engine would almost certainly rollback during the first acceleration attempt, only the fourth accident acceleration was attempted: the rollback occurred as predicted. Testing was also conducted

Similar: roll back