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