R-
Topics referred to by the same term
Look up r- in Wiktionary, the free dictionary.
R- may represent:
- a type of chirality, in chemical notation
- an R prefix used for various constants
- the set of negative real numbers
- negative reinforcement, in behavioural psychology
- membership of the United States Republican Party, when placed before a state abbreviation, usually in parentheses after the name of a politician
This disambiguation page lists articles associated with the title R-.
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