WordReference Random House Unabridged Dictionary of American English © 2026
bi•o•con•ver•sion
(bī′ō kən vûr′zhən, -shən),USA pronunciation n.
- Energythe conversion of biomass to usable energy, as by burning solid fuel for heat, by fermenting plant matter to produce liquid fuel, as ethanol, or by the bacterial decomposition of organic waste to produce methane.
- bio- + conversion 1955–60