Definition that contains steam boiler
- escape a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
- escape valve a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
- steam whistle a whistle in which the sound is produced by steam; usually attached to a steam boiler
- relief valve a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
- safety valve a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
- escape cock a valve in a container in which pressure can build up (as a steam boiler); it opens automatically when the pressure reaches a dangerous level
- steam coal coal suitable for use under steam boilers