Vacuist

1 definition found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  Vacuist \Vac"u*ist\, n. [Cf. F. vacuiste.]
     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}.
     [1913 Webster]