固こ体たい物ぶつ理り学がくこたいぶつりがくMeanings1nounsolid state physicsAcademic field studying the physical properties of solid materials.彼かれは大だい学がくで固こ体たい物ぶつ理り学がくを専せん攻こうしている。He is majoring in solid state physics at university.