| 开 | Kāi ěr wén | Lord Kelvin 1824-1907, British physicist (William Thomson) / Kelvin (temperature scale) | 
| 开 | kāi | to open (transitive or intransitive) / (of ships, vehicles, troops etc) to start / to turn on; to put in operation; to operate; to run / to boil / to write out (a prescription, check, invoice etc) / (directional complement) away; off / carat (gold) / abbr. for Kelvin, 开尔文 / abbr. for 开本, book format | 
| 尔 | ěr | variant of 尔 | 
| 尔 | ěr | thus / so / like that / you / thou | 
| 文 | Wén | surname Wen | 
| 文 | wén | language / culture / writing / formal / literary / gentle / (old) classifier for coins / Kangxi radical 67 |