vapor : Idioms & Phrases

• noun ultraviolet lamp that emits a strong bluish light (rich in ultraviolet radiation) as electric current passes through mercury vapor
  

WordNet

• noun lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting
  sodium-vapour lamp.
  

WordNet

• noun a room that can be filled with steam in which people bathe; `vapour bath' is a British term
  vapour bath; steam bath; steam room.
  
• noun you sweat in a steam room before getting a rubdown and cold shower
  vapour bath; steam bath; Turkish bath.
  

WordNet

• . (a) A bath in vapor; the application of vapor to the body, or part of it, in a close place; also, the place itself. (b) (Chem.) A small metallic drying oven, usually of copper, for drying and heating filter papers, precipitates, etc.; called also air bath. A modified form is provided with a jacket in the outside partition for holding water, or other volatile liquid, by which the temperature may be limited exactly to the required degree.

Webster 1913

• a burner for burning a vaporized hydrocarbon.

Webster 1913

• noun the density of a gas relative to the density of hydrogen
  vapour density.
  

WordNet

• (Chem.), the relative weight of gases and vapors as compared with some specific standard, usually hydrogen, but sometimes air. The vapor density of gases and vaporizable substances as compared with hydrogen, when multiplied by two, or when compared with air and multiplied by 28.8, gives the molecular weight.

Webster 1913

• an engine worked by the expansive force of a vapor, esp. a vapor other than steam.

Webster 1913

• noun a stoppage in a pipeline caused by gas bubbles (especially a stoppage that develops in hot weather in an internal-combustion engine when fuel in the gas line boils and forms bubbles that block the flow of gasoline to the carburetor)
  vapour lock.
  

WordNet

• noun the pressure exerted by a vapor; often understood to mean saturated vapor pressure (the vapor pressure of a vapor in contact with its liquid form)
  vapour pressure.
  

WordNet

• noun water in a vaporous form diffused in the atmosphere but below boiling temperature
  water vapour.
  

WordNet