- reflux⇄noun 1. the action or process of flowing back (as of water, air, or blood); reflow.
2. the act or process of refluxing. - reflux⇄reflux, noun, verb.
- reflux⇄v.t. to boil (liquid) so that the vapor condenses and flows back to its source.
Ex. The formaldehyde solution was refluxed over the mineral kaolinite (S. W. Fox and Angus Wood).