精せい白はく米まいせいはくまいMeanings1nounpolished rice; uncooked white riceRefers to rice that has been milled to remove the bran, leaving the white endosperm. Typically used in contexts of rice processing, cooking, or nutrition.精せい白はく米まいは玄げん米まいよりも保ほ存ぞん期き間