ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷- noun
: a steam boiler in which water to be heated circulates in tubes exposed to fire and enveloped by hot gases — compare fire-tube boiler
ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷- noun
: a steam boiler in which water to be heated circulates in tubes exposed to fire and enveloped by hot gases — compare fire-tube boiler
Webster's New International English Dictionary. Новый международный словарь английского языка Webster. 2012