Keyword
refine
Info
FrequencyTop 700-800
Type
Kyōiku (3rd grade) 
?
Shinjitai ?
KankenLevel 8
Heisig729
Old form硏
Readings
けん
(94%)
と
(5%)
Composed of
stone
oriental lantern
Mnemonic

If you'd like to refine your Japanese garden and make it more classy consider adding a stone trail and a fancy oriental lantern next to it.

Used in vocabulary (472 in total)
research; study; investigation
research institute; (research) laboratory
Examples (200 in total)
A new era requires new research.
I don't study cooking for no reason.
Research is progressing.