Boiler
Part of speech: noun
Definition: An apparatus that generates heat (usually by burning fuel) and uses it to heat circulating water (or sometimes another liquid) in a closed system that is then used for space heating, swimming pool heating, or domestic hot water or industrial processes. Less commonly, a hot water heater. (approximate definition) A fuel burning apparatus in which water is boiled to produce steam for space heating, power generation, or industrial processes. (more precisely) An apparatus in which a heat source other than a hot liquid or steam (most commonly burning fuel, exhaust gas from an internal combustion engine or gas turbine, waste heat from a process, solar energy or electricity) is used to boil water (or rarely another liquid), under pressure to provide steam (or other gas) for use as a heat source in calorifiers, heat exchangers or heat emitters, or for use directly for humidification, in an industrial process, or to power steam turbines. a kitchen vessel for steaming or boiling food
Kettle
Part of speech: verb
Definition: To contain demonstrators in a confined area.
Part of speech: noun
Definition: A vessel for boiling a liquid or cooking food, usually metal and equipped with a lid.The quantity held by a kettle.A vessel for boiling water for tea; a teakettle.A pothole.The collective noun for a group of airborne hawks.A steam locomotiveA kettledrum.A kettle hole.
Example sentence: Some people think that going on a caravan holiday is a slightly more upscale version of camping. Let me assure you, it is much better than that. You know that you will have your creature comforts wherever you are. I never have to pack light, and I can put the kettle on in any location.