研yán
to grind, to rub; to study, to research. 9 strokes, radical 石, first met in HSK 4.
What 研 is made of
石 (shí, stone) and 开 (kāi, to open).
石 carries the meaning — stone — and 开 carries the sound.
How to write 研
Strokes 1–5 write 石, then strokes 6–9 write 开.
Free, with no account: the app draws each stroke, then you write it and it says which stroke went wrong.
Print a 米字格 practice sheet for 研
Words that use 研
| 研制 | to develop, to research and produce 通过研究把新产品制造出来 团队成功研制出医疗仪器。The team successfully developed the medical instrument. Lesson 362, 严谨博洽与医药鸿猷 · 研精钩深与济世修身 · Deep Research, Medical Altruism & Scholarly Cultivation |
| 研究 | research, to study 深入探讨某个问题，找出规律或结论 深入研究需要长久的耐心。deep research requires long-lasting patience. Lesson 365, 见微知著与守正出新 · 研精钩深与济世修身 · Deep Research, Medical Altruism & Scholarly Cultivation |
| 调研 | field research, investigation 指深入实际调查研究 专家深入一线扎实调研。Experts conducted thorough field research on the front line. Lesson 569, 循规达变 · 笃行实证与智网经纬 · Modern Infrastructure & Civic Rigor |
| 科研 | scientific research 指科学方面的研究工作 也期待他们将来投身科研。They also hoped the players would one day go into scientific research. Lesson 609, 考场春风 · 怀瑾握瑜与笃行求真 · Moral Benevolence & Relentless Truth |
| 研发 | research and development 指研究并开发新产品 这套设备是本地研发的。This equipment was locally developed. Lesson 669, 宴会演奏 · 行稳致远与宏图大展 · Prudent Governance & Grand Strategy |
| 研究生 | a graduate student 大学本科毕业后继续深造的学生 研究生依靠逻辑破解难题。The graduate student relied on logic to crack the problem. Lesson 363, 研精毕力与笃实根基 · 研精钩深与济世修身 · Deep Research, Medical Altruism & Scholarly Cultivation |
| 研究所 | research institute 指专门从事科学研究的机构 前沿科学研究所热情邀请老专家讲学。The cutting-edge research institute warmly invited the veteran expert to lecture. Lesson 509, 远见博览 · 崇德博雅与求索笃行 · Scholarly Pursuit & Civic Virtue |
More characters with the radical 石
All 14 of them, and what the radical means, on the 石 radical page.