- A pipe for the downward transport of water or gas from the top of a furnace or boiler.More example sentences
- They responded by putting forward a new plan - using the tides of the Huangpu to wash the existing downcomers and main sewer regularly.
- The size and number of downcomers installed varies from one type of boiler to another, but downcomers are installed in all naval boilers.
More definitions of downcomerDefinition of downcomer in:
- The US English dictionary