counterflow

English

Etymology

counter- +‎ flow

Noun

counterflow (countable and uncountable, plural counterflows)

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

Verb

counterflow (third-person singular simple present counterflows, present participle counterflowing, simple past and past participle counterflowed)

  1. To flow in the opposite direction
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