r

r

r¹ or R [är]

n.

pl. R's, r's

1. the eighteenth letter of the English alphabet: from the Greek rho, a borrowing from the Phoenician

2. any of the speech sounds that this letter represents, as, in English, the (r) of rude

3. a type or impression for r or R

4. the eighteenth in a sequence or group

5. an object shaped like R

adj.

1. of r or R

2. eighteenth in a sequence or group

3. shaped like R

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the three R's see THREE R'S

r²

abbrev.

1. radius

2. range

3. rare

4. received

5. Printing recto

6. retired

7. right

8. rod(s)

9. roentgen(s)

10. Card Games rubber

11. Baseball run(s)