| 丁 |
dīng xī | butene or butylene C4H8 |
| 丁 |
Dīng | surname Ding |
| 丁 |
dīng | male adult / the 4th of the 10 Heavenly Stems 天干 / fourth (used like "4" or "D") / small cube of meat or vegetable / (literary) to encounter / (archaic) ancient Chinese compass point: 195° / (chemistry) butyl |
| 丁 |
zhēng | used in 丁丁 |
| 烯 |
xī | (chemistry) alkene; -ene (suffix used in chemical names) |