R

R is the eighteenth (number 18) letter in the English alphabet.

Meanings for R

• On calendars, R is sometimes used as an short letter for Thursday instead of T, to avoid mistakes with Tuesday.
• In chess, R is a notation symbol for the rook piece.
• In geometry, R is most times a variable for the radius of a circle.
• In navigation, R means the direction "right."
• In movies, R means "restricted."
• In Wheel of Fortune, R is one of the six letters given to any contestant participating in the "Bonus Round."

Related pages

• R (programming language)

Other websites

The dictionary definition of r at Wiktionary
Media related to R at Wikimedia Commons

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