English edit

Etymology edit

bio- +‎ thermal

Adjective edit

biothermal (not comparable)

  1. Of or pertaining to heat generated by biological processes.
    • 2007 December 14, John M. Broder, “Industry Flexes Muscle, Weaker Energy Bill Passes”, in New York Times[1]:
      But some environmentalists said they were unhappy that the bill would not provide large incentives for expansion of renewable energy sources like wind, solar and biothermal.

See also edit