1. past tense of reflux; flowed backward or returned in the opposite direction
Usage: medical; technical
2. past tense of reflux; heated a liquid so that vapor condenses and returns to the original container
Usage: chemistry

Examples

• The stomach acid refluxed into the patient’s esophagus.
• The chemist refluxed the solution for two hours.
• Blood refluxed through the damaged valve.
• The mixture was refluxed at 80 degrees Celsius.
• Gastric contents refluxed during the procedure.
• The organic compound was refluxed with methanol.