略語大辞典 [L] 22 KB5 potassium(or (L) kalium) pentaborate 五硼酸カリウム. 非線型光学結晶. potassium(or (L) kalium) pentaborate (crystal); a nonlinear optic crystal; KB5O8-4H2O; [L:Opt:Mat:Phys]. 丸善「略語大辞典」JLogosID : 11879907