R Definitions, Synonyms, and Scrabble Information
Is R a valid Scrabble word? Find dictionary definitions, synonyms, Scrabble and Words with Friends information, and more about the word R below.
See what Anagrams and Words you can make with the letters in 'r' ( r )
Scrabble and Words with Friends
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R is not a valid Scrabble
word Scrabble
uses the TWL word list.
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R is not a valid Words with Friends
word Words with
Friends uses the ENABLE word list.
- R is a 1 letter word containing the letters r.
Definitions
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R
noun a unit of radiation exposure; the dose of ionizing radiation that will produce 1 electrostatic unit of electricity in 1 cc of dry air
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R
noun (physics) the universal constant in the gas equation: pressure times volume = R times temperature; equal to 8.3143 joules per kelvin per mole
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R
noun the 18th letter of the Roman alphabet
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r
noun the length of a line segment between the center and circumference of a circle or sphere
- Lookup R using the Merriam-Webster dictionary