Abbreviations that start with the letter: R (15,920 entries)

		R	Radiation	Academic & Science » Chemistry
		R	Radical	Governmental » US Government
		R	Radical	Governmental » Military
		R	Radical	Community » Educational
		R	Radius	Academic & Science » Mathematics
		R	Radius	Governmental » NASA
		R	Rail	Governmental » Military
		R	Rail	Governmental » NASA
		R	Rail	Governmental » Transportation
		R	Rail	Regional » Railroads
		R	Railroad	Governmental » Transportation
		R	Railroad	Regional » Railroads
		R	Rain	Academic & Science » Meteorology
		R	Rain	Academic & Science » Ocean Science
		R	Raise	Community » Sports
		R	Rally	Community » Sports
		R	Ralphable	Miscellaneous » Funnies
		R	Ramming	Governmental » Military
		R	Rand (South Africa)	Regional » Currencies
		R	Random	Academic & Science » Mathematics
		R	Random	Medical » Laboratory
		R	Randy	Miscellaneous » Names and Nicknames
		R	Range	Governmental » Military
		R	Range	Governmental » NASA
		R	Range Rate	Governmental » NASA
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