1. One who holds the doctrine of a vacuum in nature.

Nuttall's Standard dictionary of the English language By Nuttall, P.Austin

• bacuist,
• gacuist,
• facuist,
• vzcuist,
• vacuust,
• vacuisty,
• vaccuist,
• Vacquiest,
• Vacquist,
• Vaucuist,
• Vacuisht,
• Vacusist,
• Vacuicst,
• Vaccuest,
• Vacuish,
• Vachoist,
• Vaskuist,
• Vacuiyst,
• Vakkuist,
• Vacciust

The plural of the "Vacuist" can be the "vacuists".

The singular of the "Vacuist" can be the "Vacuist".