Gas
Vapor
Dust
Mist
Fume
Smoke
Aerosol
Aerosol of solids from incomplete combustion
Gaseous phase of substance normally which is solid or liquid: Water Vapor
Aerosol of Liquid particles: Visible from condensation or mechanical dispersion: Oil Mist
Aerosol of solid particles from condensation of vaporized material: Metal Fumes
Dispersion of solid or liquid particles in gaseous medium: Albuterol inhaler
Low density, No shape form or fluid @ room temperature & Pressure. Occupies the space of the enclosure: Ethylene Oxide
Solid particles, from disintegration of materials: Road Dust
