vacuist
Vac"u*ist, n. Etym: [Cf. F. vacuiste.] Defn: One who holds the doctrine that the space between the bodies of the universe, or the molecules and atoms of matter., is a vacuum; -- opposed to plenist.
Vac"u*ist, n. Etym: [Cf. F. vacuiste.] Defn: One who holds the doctrine that the space between the bodies of the universe, or the molecules and atoms of matter., is a vacuum; -- opposed to plenist.