Definitions from Wiktionary, a free dictionary

Wikipedia

Contents 1 Translingual 1.1 Symbol 2 English 2.1 Pronunciation 2.2 Noun 2.3 Abbreviation 3 Latin 3.1 Abbreviation 4 Romanian 4.1 Pronunciation 4.2 Letter

[ Translingual

[ Symbol

R

1. (physics) roentgen (unit)
2. (physics) resistance (in electricity)
3. (genetics) IUPAC 1-letter abbreviation for any purine
4. (biochemistry) IUPAC 1-letter abbreviation for arginine

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[ English

[ Pronunciation

• (UK): IPA: /ɑː/, SAMPA: /A:/
• (US): enPR: är, IPA: /ɑr/, SAMPA: /Ar/

[ Noun

R

1. The eighteenth letter of the English alphabet, preceded by Q and followed by S.

[ Abbreviation

R

1. (US politics) Republican
2. (film certification) restricted
3. reverse
4. right (as opposed to left)
5. (handbells) ring
6. (baseball, cricket) The statistic reporting the number of runs scored by a player
7. Thursday

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[ Latin

[ Abbreviation

R

1. Romanus
2. Rufus

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[ Romanian

[ Pronunciation

IPA: /re/, /er/

[ Letter

R (capital, lowercase r)

1. The twentieth letter of the Romanian alphabet representing thee phoneme /r/. Preceded by P and followed by S.