Simple past tense and past participle of reflux.(verb)
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Use "refluxed" in a sentence
"The normal esophageal cells (squamous epithelium) are sensitive to the refluxed acid and die."
"The test was supposed to reveal whether any urine was being refluxed back into this kidney, causing the enlargement, or whether it was merely due to a developmental hiccough."
"The butanol extract was successively refluxed for 20 min. each with ethyl acetate, acetone and ethanol."