---

Vapory

---

Read Also:

• Vapour density

  noun 1. the ratio of the density of a gas or vapour to that of hydrogen at the same temperature and pressure See also relative density

• Vapourer moth

  noun 1. a tussock moth, Orgyia antiqua, of hedgerows and trees, the female of which is wingless and lays her eggs on her former cocoon

• Vapour lock

  noun 1. a stoppage in a pipe carrying a liquid caused by a bubble of gas, esp such a stoppage caused by vaporization of the petrol in the pipe feeding the carburettor of an internal-combustion engine

• Vapour pressure

  noun 1. (physics) the pressure exerted by a vapour. The saturated vapour pressure is that exerted by a vapour in equilibrium with its solid or liquid phase at a particular temperature

• Vapour trail

  noun 1. a visible trail left by an aircraft flying at high altitude or through supercold air, caused by the deposition of water vapour in the engine exhaust as minute ice crystals Also called condensation trail, contrail

---