

| Acronym | Sense | Language | Topics | 
|---|---|---|---|
| R | Arginine = R | Arginina | In Catalan = R | Arginin | In Czech = R | Arginin | In German = R | Arginina | In Spanish = R | Arginino | In Esperanto = R | Arginine | In French = R | 아르기닌 | In Korean = R | Arginin | In Croatian = R | Arginin | In Indonesian = R | Arginina | In Italian = R | ארגינין | In Hebrew = R | Arginīns | In Latvian = R | Arginin | In Letzeburgesh = R | Argininas | In Lithuanian = R | Arginine | In Dutch = R | アルギニン | In Japanese = R | آرګېنين | In Pashto = R | Arginina | In Polish = R | Arginina | In Portuguese = R | Аргинин | In Russian = R | Arginín | In Slovak = R | Arginiini | In Finnish = R | Arginin | In Swedish = R | Arginin | In Turkish = R | Аргінін | In Ukrainian = R | 精氨酸 | In Chinese | In English | → Biochemistry, biophysics | 
| R | Arginina = (look above) | In Catalan | → Biochemistry, biophysics | 
| R | Arginin = (look above) | In Czech | → Biochemistry, biophysics | 
| R | Arginin = (look above) | In German | → Biochemistry, biophysics | 
| R | Arginina = (look above) | In Spanish | → Biochemistry, biophysics | 
| R | Arginino = (look above) | In Esperanto | → Biochemistry, biophysics | 
| R | Arginine = (look above) | In French | → Biochemistry, biophysics | 
| R | 아르기닌 = (look above) | In Korean | → Biochemistry, biophysics | 
| R | Arginin = (look above) | In Croatian | → Biochemistry, biophysics | 
| R | Arginin = (look above) | In Indonesian | → Biochemistry, biophysics | 
| R | Arginina = (look above) | In Italian | → Biochemistry, biophysics | 
| R | ארגינין = (look above) | In Hebrew | → Biochemistry, biophysics | 
| R | Arginīns = (look above) | In Latvian | → Biochemistry, biophysics | 
| R | Arginin = (look above) | In Letzeburgesh | → Biochemistry, biophysics | 
| R | Argininas = (look above) | In Lithuanian | → Biochemistry, biophysics | 
| R | Arginine = (look above) | In Dutch | → Biochemistry, biophysics | 
| R | アルギニン = (look above) | In Japanese | → Biochemistry, biophysics | 
| R | آرګېنين = (look above) | In Pashto | → Biochemistry, biophysics | 
| R | Arginina = (look above) | In Polish | → Biochemistry, biophysics | 
| R | Arginina = (look above) | In Portuguese | → Biochemistry, biophysics | 
| R | Аргинин = (look above) | In Russian | → Biochemistry, biophysics | 
| R | Arginín = (look above) | In Slovak | → Biochemistry, biophysics | 
| R | Arginiini = (look above) | In Finnish | → Biochemistry, biophysics | 
| R | Arginin = (look above) | In Swedish | → Biochemistry, biophysics | 
| R | Arginin = (look above) | In Turkish | → Biochemistry, biophysics | 
| R | Аргінін = (look above) | In Ukrainian | → Biochemistry, biophysics | 
| R | 精氨酸 = (look above) | In Chinese | → Biochemistry, biophysics | 
| R | Röntgen | In many languages |