tending to or capable of propelling; "propellant fuel for submarines"; "the faster a jet plane goes the greater its propulsive efficiency"; "universities...the seats of propulsive thought" 日/英 »
【上位】 a particular kind or species of matter with uniform properties; "shigella is one of the most toxic substances known to man" 一定の特性を持つ特殊な物質の類型または種類。
日/英 »
