| オクタン | [okutan] (n) octane [Add to Longdo] |
| イソオクタン | [isookutan] (n) isooctane [Add to Longdo] |
| オクタン価 | [オクタンか, okutan ka] (n) octane value [Add to Longdo] |
| ハイオクタン | [haiokutan] (n) high octane [Add to Longdo] |
| ハイオクタンガソリン | [haiokutangasorin] (n) high-octane gasoline [Add to Longdo] |