51Թ

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R

1
Or r

[ahr]

noun

plural

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 R .

  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. three R's.

R.

2
Or R.

abbreviation

  1. (in prescriptions) take.

R

3

[ahr]

verb

  1. Informal.are.

    Oysters R in season.

R.

4

abbreviation

  1. rabbi.

  2. Radical.

  3. radius.

  4. railroad.

  5. railway.

  6. (in South Africa) rand; rands.

  7. éܳܰ.

  8. rector.

  9. redactor.

  10. regina.

  11. Republican.

  12. response.

  13. rex.

  14. river.

  15. road.

  16. royal.

  17. ruble.

  18. rupee.

  19. Theater.stage right.

R

5

abbreviation

  1. Trademark.restricted: a rating assigned to a movie by the MPA indicating that children under the age of 17 will not be admitted to a theater showing the film unless accompanied by an adult.

R

6

abbreviation

  1. Chemistry.radical.

  2. Mathematics.ratio.

  3. regular: a man's suit or coat size.

  4. Electricity.resistance.

  5. Theater.stage right.

  6. Physics.roentgen.

  7. Chess.rook.

R

7
Symbol.

  1. the 18th in order or in a series.

  2. (sometimes lowercase)the medieval Roman numeral for 80.

  3. Biochemistry.arginine.

  4. Physics.universal gas constant.

  5. registered trademark: written as superscript ® following a name registered with the U.S. Patent and Trademark Office.

r

8
Ecology.

  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.

r

9

abbreviation

plural

rs 

  1. radius.

  2. Commerce.registered.

  3. Electricity.resistance.

  4. Physics.roentgen.

  5. royal.

  6. ruble.

  7. rupee.

r.

10

abbreviation

plural

rs 

  1. rabbi.

  2. railroad.

  3. railway.

  4. range.

  5. rare.

  6. Commerce.received.

  7. recipe.

  8. replacing.

  9. residence.

  10. right.

  11. rises.

  12. river.

  13. road.

  14. rod.

  15. royal.

  16. rubber.

  17. ruble.

  18. Baseball.run; runs.

  19. rupee.

R.

1

abbreviation

  1. registered (trademark)

  2. right

  3. river

  4. rouble

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

R.

2

abbreviation

  1. rabbi

  2. rector

  3. Regina

  4. Republican

  5. response (in Christian liturgy)

  6. Rex

  7. River

  8. Royal

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

r.

3

abbreviation

  1. rare

  2. recto

  3. Also: r.rod (unit of length)

  4. ruled

  5. cricket baseball run(s)

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

R

4

symbol

  1. chem radical

  2. currency

    1. rand

    2. rupee

  3. Réaumur temperature (scale)

  4. physics electronics resistance

  5. roentgen or öԳٲ

  6. chess rook

  7. Royal

  8. chem gas constant

    1. restricted exhibition (used to describe a category of film certified as unsuitable for viewing by anyone under the age of 18)

    2. ( as modifier )

      an R film

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

r

5

/ ɑː /

noun

  1. the 18th letter and 14th consonant of the modern English alphabet

  2. a speech sound represented by this letter, in English usually an alveolar semivowel, as in red

  3. See three Rs

“Collins English Dictionary — Complete & Unabridged” 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

r

  1. Abbreviation of radius

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51Թ History and Origins

Origin of r1

From the Latin word recipe

Origin of r2

An American designation established in 1968
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51Թ History and Origins

Origin of r1

(sense 3) Latin: Queen
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Idioms and Phrases

see three R's.

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