RR

plural RRs · alternative R.R.

1. USabbreviationcountableinitialismuncountableInitialism of railroad.
2. abbreviationcountableinitialismuncountablecyclingInitialism of road race.
3. abbreviationcountableuncountableAbbreviation of rear, where brevity is desired.
4. abbreviationcountableinitialismuncountableInitialism of right rear, a location in a square or rectangular layout such as the tires on an automobile or the heating elements on a stovetop.
5. abbreviationcountableinitialismuncountableInitialism of Rolls-Royce.
6. abbreviationcountableinitialismuncountableInitialism of reverse racism.
7. abbreviationcountableinitialismuncountableInitialism of real reality.

   Near-synonyms: real life, IRL

   Synonyms: real life, IRL

8. abbreviationcountableinitialismuncountableepidemiologyInitialism of relative risk.
9. USabbreviationcountableinitialismuncountableInitialism of rural route used when addressing mail.
10. abbreviationcountableinitialismuncountableInitialism of Riva-Roccin, a blood pressure measurer device.
11. abbreviationcountableinitialismuncountableInitialism of role reversal.
12. abbreviationcountableinitialismuncountablecomputingInitialism of resource record.

alternative R.R.

1. abbreviationAbbreviation of Roraima: a state of Brazil.
2. abbreviationinitialismInitialism of Rocky River: a city in Ohio, United States.

alternative R.R.

1. datedaeronautics(from the status code used in the GDS) reconfirm / reconfirmed.