| yì | different/other/hetero-/unusual/strange/surprising/to distinguish/to separate/to discriminate |
| 异 | different other hetero- |
| 异丁烯 | isobutene; isobutylene; 2-methylpropene |
| 异丁烷 | isobutane |
| 异丁苯丙酸 | Ibuprofen or Nurofen nonsteroidal anti-inflammatory drug (NSAID), trade names Advil, Motrin, Nuprin etc, used as analgesic and antipyretic, e.g. for arthritis sufferers also called 布洛芬 |
| 异三聚氰酸钠 | [Chemistry] sodium isocyanurate |
| 异丙基 | isopropyl; isopropyl group |
| 异丙醇 | isopropanol isopropyl alcohol C3H8O |
| 异义 | differing opinion |
| 异乎寻常 | unusual extraordinary |
| 异乎常人 | different from the ordinary men; extraordinary |
| 异乡 | in a foreign land away from home |
| 异乡人 | from another land alien |
| 异事 | sth else a separate matter not the same thing |
| 异于 | Different from. |
| 异亮氨酸 | isoleucine (Ile), an essential amino acid |
| 异人 | eccentric unusual person talented individual |
| 异位 | ectopia; heterotopia; ectopy; misplacement; malposition; allotopia; dystopia; dystopy; heterotopism; heterotopy |
| 异位妊娠 | [Medicine] ectopic pregnancy |
| 异位心 | [Medicine] exocardia |
| 异体 | variant form (of a Chinese character) |