| 腭动描记术 | e4 dong4 miao2 ji4 shu4 | palatography |
| 膈动描记器 | ge2 dong4 miao2 ji4 qi4 | phrenograph |
| 自记验潮仪 | zi4 ji4 yan4 chao2 yi2 | marigraph |
| 舌动描记器 | she2 dong4 miao2 ji4 qi4 | glossograph |
| 记号学 | ji4 hao4 xue2 | semiology |
| 记忆术 | ji4 yi4 shu4 | mnemonics |
| 记忆犹新 | ji4 yi4 you2 xin1 | to remain fresh in one's memory (idiom) |
| 记性好 | ji4 xing4 hao3 | retentively |
| 记时员 | ji4 shi2 yuan2 | clocker |
| 记时计 | ji4 shi2 ji4 | chronaximeter |
| 记波图 | ji4 bo1 tu2 | kymogram |
| 记程仪 | ji4 cheng2 yi2 | Log |
| 记谱法 | ji4 pu3 fa3 | method of music notation |