r
r1 definition
r or R (är)
- the eighteenth letter of the English alphabet: from the Greek rho, a borrowing from the Phoenician
- any of the speech sounds that this letter represents, as, in English, the (r) of rude
- a type or impression for r or R
- the eighteenth in a sequence or group
- an object shaped like
adjective
- of r or R
- eighteenth in a sequence or group
- shaped like
r Idioms
the three R's
r2 definition
r
- radius
- range
- rare
- received
- Printing recto
- retired
- right
- rod(s)
- roentgen(s)
- Card Games rubber
- Baseball run(s)
R1 definition
☆ R (är)
a film rating meaning “restricted”: it indicates that persons under seventeen may be admitted to the film only when accompanied by a parent or adult guardian
R2 definition
R
Etymology: L Rex
kingEtymology: L Regina
queen- Rabbi
- Chem. radical, esp. organic radical
- Rankine
- Math. ratio
- Reaumur
- registered (trademark): symbol, ®
- Republican
- Elec. resistance
- right
- River
- Road
- roentgen(s)
- Chess rook
- route
- ruble
- Baseball run(s)
- rupee
Etymology: L recipe
Pharmacy take: also ℞
R3 definition
R
molar gas constant
Webster's New World College Dictionary Copyright © 2009 by Wiley Publishing, Inc., Cleveland, Ohio.
Used by arrangement with John Wiley & Sons, Inc.
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