R, r: Meaning and Definition of

R

Pronunciation: (är), [key]
— pl. R's Rs, r's rs.
  1. the 18th letter of the English alphabet, a consonant.
  2. any spoken sound represented by the letter R or r, as in ran, carrot, or rhyme.
  3. something having the shape of
  4. a written or printed representation of the letter R or r.
  5. a device, as a printer's type, for reproducing the letter R or r.
  6. See

R

Pronunciation: (är), [key]
  1. are: Oysters R in season.

R

Pronunciation: [key]
  1. radical.
  2. ratio.
  3. regular: a man's suit or coat size.
  4. resistance.
  5. restricted: a rating assigned to a motion picture by the Motion Picture Association of America indicating that children under the age of 17 will not be admitted unless accompanied by an adult. Cf.(def. 7),[abbrev. for restricted]
  6. stage right.
  7. roentgen.
  8. rook.

R

Pronunciation: [key]
— Symbol.
  1. the 18th in order or in a series, or, when I is omitted, the 17th.
  2. (sometimes l.c.) the medieval Roman numeral for 80. Cf.
  3. arginine.
  4. See
  5. registered trademark: written as superscript ® following a name registered with the U.S. Patent and Trademark Office.

r

Pronunciation: [key]
— pl. rs,
  1. radius.
  2. registered (def. 2).
  3. resistance.
  4. roentgen.
  5. royal.
  6. ruble.
  7. rupee.

r

Pronunciation: [key]
— Ecol. Ecol.
  1. the theoretical intrinsic rate of increase of a population, equivalent to the difference between the birth and death rates divided by the number of individuals in the population. Also called

R.

Pronunciation: [key]
  1. rabbi.
  2. Radical.
  3. radius.
  4. railroad.
  5. railway.
  6. (in South Africa) rand; rands.
  7. Réaumur.
  8. (in prescriptions) take.
  9. rector.
  10. redactor.
  11. regina.
  12. Republican.
  13. response.
  14. rex.
  15. river.
  16. road.
  17. royal.
  18. ruble.
  19. rupee.
  20. stage right.

r.

Pronunciation: [key]
— pl. rs.
  1. rabbi.
  2. railroad.
  3. railway.
  4. range.
  5. rare.
  6. received.
  7. recipe.
  8. replacing.
  9. residence.
  10. right.
  11. rises.
  12. river.
  13. road.
  14. rod.
  15. royal.
  16. rubber.
  17. ruble.
  18. run; runs.
  19. rupee.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.