noun
half-polished rice
Rice that has been milled only partially, leaving some of the bran layer intact. It is intermediate between brown rice (玄米) and fully polished white rice (白米).
半搗き米は白米より栄養価が高いと言われている。
Half-polished rice is said to be more nutritious than white rice.
Compound of 半 (half) + 搗き (milling, from 搗く 'to hull/polish rice') + 米 (rice).