宝玉

(1)a precious or semiprecious stone incorporated into a piece of jewelry

(2)宝飾品の一部にはめ込まれた宝石または半貴石

(3)a crystalline rock that can be cut and polished for jewelry; "he had the gem set in a ring for his wife"; "she had jewels made of all the rarest stones"

(4)切り出されて宝石として研磨される結晶質の石

(1)