| hóng | rainbow |
| jiàng | rainbow |
| 虹 | rainbow |
| 虹口区 | Hongkou district, central Shanghai |
| 虹吸 | siphon |
| 虹吸现象 | syphonage; siphonage |
| 虹吸瓶 | suction bottle |
| 虹吸管 | siphon |
| 虹彩 | iridescence; irisation; iris |
| 虹彩的 | irisated |
| 虹桥 | Hongqiao, the name of numerous entities, notably a major airport in Shanghai, and a district in Tianjin |
| 虹桥机场 | Hongqiao Airport (Shanghai) |
| 虹膜 | iris |
| 虹膜切除术 | [Medicine] iridectomy |
| 虹膜式光圈 | [Photography] iris diaphragm |
| 虹膜炎 | iritis; iris inflammation |
| 虹雉 | monal pheasant; monal; monaul |
| 虹鳟 | rainbow trout (Oncorhynchus mykiss) |
| 虹鳟鱼 | [Zoology] a rainbow trout |