capable of decaying through the action of living organisms:
biodegradable paper; biodegradable detergent.
(of sewage constituents, packaging material, etc) capable of being decomposed by bacteria or other biological means
Capable of being decomposed by the action of biological agents, especially bacteria.
Note: The use of biodegradable packaging is supposed to reduce the volume of waste in landfills.
to decay and become absorbed by the environment: toys that will biodegrade when they’re discarded.
noun a biofuel intended for use in diesel engines Contemporary Examples Will Food Prices Jump After the Heat Wave? Matthew Zeitlin August 10, 2012 Volvo Tests Ultra-Efficient Plug-in Hybrid-Electric Diesel Bus Josh Dzieza May 16, 2013 Historical Examples Makers Cory Doctorow n. biodiesel (bī’ō-dē’zəl, -səl) See under biofuel.
noun a temperature-sensitive device stuck to the skin in order to monitor stress
the branch of biology dealing with energy or the activity of living organisms (opposed to biostatics). Contemporary Examples A Wine Revolution Sophie Menin May 22, 2011 noun (functioning as sing) the branch of biology that deals with the energy production and activities of organisms