| yán | grind fine/study/research |
| 研 | to grind study research |
| 研习 | research and study |
| 研修 | advanced study and training; research |
| 研修员 | research worker researcher |
| 研修生 | researcher |
| 研判 | to study and come to a decision |
| 研制 | to manufacture to develop |
| 研制过程 | manufacturing environment |
| 研华 | Advantech, technology company |
| 研发 | research and development |
| 研发部 | research and development department |
| 研定 | to consider and decide to decide after investigating |
| 研拟 | to investigate and plan forward |
| 研杵 | muller; pestle; mortar pestle |
| 研析 | to analyze research |
| 研求 | to study to probe to research and examine |
| 研磨 | milling to grind to polish by grinding |
| 研磨咖啡 | ground coffee |
| 研磨料 | abrasive (material) |
| 研磨机 | muller; grinding miller; lapper; abrading machine; grinding machine; grinding mill; pulping machine; grinding unit; grinder; finishing machine; abrader; lapping machine; milling equipment |