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(General Engineering) a water turbine designed to produce high flow from a low head of pressure: used esp in hydroelectric power generation
[named after J. B. Francis (1815–92), English-born hydraulic engineer, who invented it]
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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|Noun||1.||Francis turbine - a type of hydroelectric turbine|
hydroelectric turbine - turbine consisting of a large and efficient version of a water wheel used to drive an electric generator
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