1. (used of substances) capable of being volatilized
   - evaporable, vapourific [Brit, Cdn], vaporizable, vapourisable [Brit], volatilizable, volatilisable [Brit], vaporisable [Brit] 
2. Resembling or characteristic of vapour
   - vapourific [Brit, Cdn], vaporish [US], vapourish [Brit, Cdn], vaporous, vapourous [Brit, non-standard], vapory [US], vapoury [Brit, Cdn]

See also: gaseous, volatile

• theoretical account
• theoretically
• theoretician
• theorisation
• theorise
• theoriser
• theorist
• theorization
• theorize
• theorizer
• theory
• theory of dissociation
• theory of electrolytic dissociation
• theory of evolution
• theory of games
• theory of gravitation
• theory of gravity
• theory of indicators
• theory of inheritance
• theory of organic evolution
• theory of preformation
• theory of probability
• theory of punctuated equilibrium
• theory of relativity
• theory-based