noun
- an upward flow or movement of fluid, air, or other substance
Usage: technical
verb
- to flow upward
Usage: technical
Examples
- The upflow of warm air created a thermal current.
- Ocean upflow brings nutrients to the surface.
- The geothermal system relies on natural upflow of heated water.
- Cold water will upflow through the pipe when heated.
- The upflow in the reactor must be carefully controlled.
- Scientists measured the upflow velocity in the column.