RR
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(1) A traffic sign announces a level railroad crossing.
English
Alternative forms
- R.R. (esp. in legal reference to railroads)
Noun
RR (countable and uncountable, plural RRs)
- (US) Initialism of railroad.
- (cycling) Initialism of road race.
- Abbreviation of rear, where brevity is desired.
- Initialism 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.
- Initialism of Rolls-Royce.
- Initialism of reverse racism.
- Initialism of real reality.
- (statistics, epidemiology) Initialism of relative risk.
- (US) Initialism of rural route used when addressing mail.
- Initialism of Riva-Roccin, a blood pressure measurer device
- Initialism of role reversal.
- (information technology) Initialism of resource record.
Related terms
(real reality):
Translations
Proper noun
RR
- Abbreviation of Roraima, a state of Brazil.
Verb
RR
See also
Latin
Alternative forms
Noun
RR
- Abbreviation of rerum, of things, of topics.
Adjective
RR (singular R)
- Abbreviation of reverendissimi, most holy, most reverend.
- Abbreviation of reverendissimos.
- Abbreviation of reverendissimibus.
Derived terms
Portuguese
Proper noun
RR
- Abbreviation of Roraima (Brazilian state)