R.R.
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English[edit]
Noun[edit]
R.R.
- Alternative form of RR
Usage notes[edit]
This is the customary abbreviation for railroad as used in American case citations. See, e.g., The Bluebook: A Uniform System of Citation, Nineteenth Edition (2010), "Case Names and Institutional Authors in Citations", Table T6, p. 430–431.
Latin[edit]
Adjective[edit]
R.R.
- Alternative form of RR