tagasivool tähendus null.

reflux▼◼◼◼[UK: ˌriː.ˈflʌks] [US: ˌriː.ˈflʌks]

reflow▼◼◼◼[UK: ˌriːˈfləʊ ] [US: ˌriˈfloʊ ]

backflow [backflows]▼◼◻◻noun
[UK: bˈakfləʊ] [US: bˈækfloʊ]