olefin
Subject: CHEM / Chemical elements & compounds
| Language | Term |
| Arabic - AR | أوليفين |
| DE - German | Olefin |
| EN - English | olefin |
| ES - Spanish | olefina |
| FR - French | oléfine |
| JA - Japanese | オレフィン |
| KO - Korean | 올레핀 |
| PT - Portuguese | olefina |
| RU - Russian | олефин |
| ZH - Chinese | 烯烃 |