Regurgitating; flowing backward.
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re·gur·gi·tant (')rē-'gər-jə-tənt adj characterized by, allowing, or being a backward flow (as of blood) <\regurgitant cardiac valves>
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re·gur·gi·tant (re-gurґjĭ-tənt) [re- + L. gurgitare to flood] flowing back or in the opposite direction from normal.Medical dictionary. 2011.