研 — polish, study of, sharpen

けん研 polish

けん

U+7814 Unicode hex codepoint — a unique identifier for this character in the Unicode standard. Freq #336 Frequency rank among the ~2,500 most common kanji in Japanese newspapers. Lower number = more common. Heisig #729 Index in James Heisig's "Remembering the Kanji" — a popular textbook that teaches kanji through mnemonics and stories.

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Remember 研

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Meanings

polish
study of
sharpen

Readings

On'yomi: けん ken
Kun'yomi: と to

word

けん ken On'yomi On'yomi (音読み) — the Sino-Japanese reading, derived from Chinese pronunciation. Most commonly used in compound words (jukugo).

研(けん) ken study 研(けん) 究(きゅう) kenkyuu research 研(けん) 究(きゅう) 所(じょ) kenkyuujo research institute 研(けん) 究(きゅう) 員(いん) kenkyuuin researcher 研(けん) 究(きゅう) 室(しつ) kenkyuushitsu laboratory 研(けん) 究(きゅう) 家(か) kenkyuuka researcher 研(けん) 究(きゅう) 者(しゃ) kenkyuusha researcher 最(さい) 新(しん) 研(けん) 究(きゅう) saishinkenkyuu the newest research

と to Kun'yomi Kun'yomi (訓読み) — the native Japanese reading of this kanji. Used when the kanji appears alone or with okurigana (trailing hiragana).

研(と) ぐ togu to sharpen

Words by frequency and grade

14 words

Each dot is a word containing 研: further left is more common, higher up needs a later school grade (the grade of its hardest kanji). Click a dot to open the word.

S = secondary school · 9 words have no frequency rank; they sit in the Unranked column.

Stroke order

Stroke data from KanjiVG (CC BY-SA 3.0)

Components

Composed of

いし石 stone #112

开 open (component form)

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Kangxi Radical The Kangxi radicals are a set of 214 character components standardized in the 1716 Kangxi Dictionary. Every kanji is classified under one radical, used for dictionary lookup and character organization.

#112 石 stone