downcomer means A pipe to conduct something downwards.; A large external pipe in a water-tube boiler, carrying unheated water from the steam drum down to the water drum as part of the circulation path. Lexicurio rates it Sui generis — a strength score of 88 out of 100.
Etymology
From down + comer.
noun
- A pipe to conduct something downwards.; A large external pipe in a water-tube boiler, carrying unheated water from the steam drum down to the water drum as part of the circulation path.
- A pipe to conduct something downwards.; A pipe for leading the hot gases from the top of a blast furnace downward to the regenerators, boilers, etc.