• noun
• synonym
• antonym

• mercury-vapor lamp (noun)
  1. rich in ultraviolet radiation ultraviolet lamp that emits a strong bluish light as electric current passes through mercury vapor
• sodium-vapor lamp (noun)
  1. lamp in which an electric current passed through a tube of sodium vapor makes a yellow light; used is street lighting
• vapor bath (noun)
  1. a room that can be filled with steam in which people bathe
  2. you sweat in a steam room before getting a rubdown and cold shower
• vapor density (noun)
  1. the density of a gas relative to the density of hydrogen
• vapor lock (noun)
  1. 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 a stoppage in a pipeline caused by gas bubbles
• vapor pressure (noun)
  1. the vapor pressure of a vapor in contact with its liquid form the pressure exerted by a vapor; often understood to mean saturated vapor pressure
• vapor trail (noun)
  1. an artificial cloud created by an aircraft; caused either by condensation due to the reduction in air pressure above the wing surface or by water vapor in the engine exhaust
• water vapor (noun)
  1. water in a vaporous form diffused in the atmosphere but below boiling temperature
• More