counterflow
verbEtymology From counter- + flow.
1
To flow in the opposite direction
counterflow
nounEtymology From counter- + flow.
1
A flow in the opposite direction; or the flow of two fluids in opposite directions
- We, too, used[…] a counterflow heat exchanger to warm incoming fresh air.2009 January 5, “Using the Earth and Sun to Provide Home Heating”, in New York Times:
2
Philippines Driving in the opposite direction.