1. a backward flow of liquid
2. a condition in which stomach acid flows back into the esophagus
Usage: medical
3. the process of boiling a liquid and condensing its vapor back into the same container
Usage: chemistry

1. to flow back or return

Examples

• The reflux of seawater damaged the coastal equipment.
• She takes medication to control her acid reflux.
• The patient experienced reflux after eating spicy food.
• The chemist used reflux to purify the compound.
• Water began to reflux through the damaged pipe.
• The tide caused the river to reflux upstream.