
| èr | two/2 |
| 二 |
|
| 二一添作五 | lit. one half equals zero point five (division rule in abacus reckoning) to share fairly between two parties to go fifty-fifty |
| 二一添做五 | to go halves; to go fifty-fifty |
| 二丁醚 | dibutyl ether |
| 二七区 | Erqi district of Zhengzhou city 鄭州市|郑州市 |
| 二世 | the Second (of numbered Kings) second generation (e.g. Chinese Americans), Japanese nissei |
| 二乎 | To withdraw due to fear |
| 二乙基 | diethyl |
| 二乙烯基苯 | divinylbenzene; vinylstyrene |
| 二乙酰吗啡 | diacetylmorphine; diamorphine |
| 二五眼 | of inferior ability or quality; incompetent person |
| 二产妇 | lady who has given birth twice |
| 二人世界 | two people's word; the world of husband and wife |
| 二人台 | song-and-dance duet popular in Inner Mongolia |
| 二人转 | song-and-dance duet; provincial drama newly evolved from the song-and-dance duet |
| 二仑 | Erlun or Erhlun township in Yunlin county 雲林縣|云林县 |
| 二仑乡 | Erlun or Erhlun township in Yunlin county 雲林縣|云林县 |
| 二代 | secondary twice in the year (of generations of insects, harvests etc) |
| 二价 | negotiable price |
| 二价元素 | divalent element; dyad; bivalent element; diad |