研

Tap the pinyin to hear it

to grind; study; research

Make a writing worksheet

HSK 3.0: Level 4
Old HSK: Level 4
Strokes: 9
Radical: 石 +4
Structure: Left–right 左右
Traditional: 研
Common rank: #1,221
Unicode: U+7814

Sound it out + =

Formation & memory

Break the character into parts you already know.

How 研 is formed

Phono-semantic compound (形声字)

石 meaning “stone” + 开 sound ( kāi )

Components 石开

How to remember it

grind away · Heisig RSH #614

石 stone + two hands

Keyword method from Heisig's Remembering Simplified Hanzi.

Words with 研

The most common words first — learning a character in context makes it stick.

Word	Pinyin	Meaning
中国教育和科研计算机网	Zhōng guó Jiào yù hé Kē yán Jì suàn jī Wǎng	China Education and Research Network (CERNET); abbr. to 中國教育網\|中国教育网[Zhong1 guo2 Jiao4 yu4 …
中美文化研究中心	Zhōng Měi Wén huà Yán jiū Zhōng xīn	the Hopkins-Nanjing Center, located in Nanjing, est. 1986 (formally, the Johns Hopkins Uni…
科研人员	kē yán rén yuán	(scientific) researcher
调研人员	tiáo yán rén yuán	research workers; survey and research workers
科研小组	kē yán xiǎo zǔ	a scientific research group
日本原子能研究所	Rì běn Yuán zǐ Néng Yán jiū suǒ	Japan Atomic Energy Research Institute
中研院	Zhōng yán yuàn	Academia Sinica (abbr. for 中央研究院[Zhong1 yang1 Yan2 jiu1 yuan4])
科研样机	kē yán yàng jī	research prototype
欧洲核子研究中心	Ōu zhōu Hé zǐ Yán jiū Zhōng xīn	European Organization for Nuclear Research CERN, at Geneva
原研药	yuán yán yào	(pharmacology) innovator drug; originator drug (as opposed to a generic drug 仿製藥\|仿制药[fang3…
发展研究中心	Fā zhǎn Yán jiū Zhōng xīn	Development Research Center (PRC State Council institution)
自研	zì yán	(of an organization etc) to independently develop (a technology or product)
研发	yán fā	research and development; to develop
神学研究所	shén xué yán jiū suǒ	seminary
研修员	yán xiū yuán	research worker; researcher
教研室	jiào yán shì	teaching and research office
研定	yán dìng	to consider and decide; to decide after investigating
科研	kē yán	(scientific) research
研制	yán zhì	to research and manufacture; to research and to develop
井研县	Jǐng yán Xiàn	Jingyan, a county in Leshan City 樂山市\|乐山市[Le4 shan1 Shi4], Sichuan

Sound family

Characters sharing the sound component 开 — compare how they read.

Character	Pinyin	Meaning
开 sound part	kāi	to open; to start, to initiate, to begin
趼	jiǎn	blister, callus
笄	jī	hairpin; fifteen-year-old girl
邢	xíng	a state in Hebei province; surname
汧	qiān	marsh; to float; the name of a river in Shangdong
岍	qiān	the name of a mountain
锎	kāi	caesium