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[bahy-oh-di-greyd] /ˌbaɪ oʊ dɪˈgreɪd/
verb (used without object), biodegraded, biodegrading.
to decay and become absorbed by the environment:
toys that will biodegrade when they're discarded.
Origin of biodegrade
1970-75; back formation from biodegradable
Related forms
[bahy-oh-deg-ruh-dey-shuh n] /ˌbaɪ oʊˌdɛg rəˈdeɪ ʃən/ (Show IPA),
noun Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for biodegrade
  • It's standard technique to break up a slick in ocean environments and allow them to biodegrade more quickly.
  • Most other materials biodegrade or are not as buoyant as plastics, which do not biodegrade.
  • However, it's unknown how-or even if-dispersants applied at depths biodegrade in the same way that they do at the surface.
  • And they never really biodegrade: they simply break into ever smaller pieces.
  • Most plastic is petroleum-based, which does not biodegrade.
  • Since plastic bags do not biodegrade, recycling would seem the better alternative from an ecological viewpoint.
  • It won't biodegrade on the way down, and it might cause trouble.
  • Environmentalists and others have long claimed that plastic lasts forever and doesn't biodegrade in landfills.
  • As with fertilization, the purpose of seeding is to increase the population of microorganisms that can biodegrade the spilled oil.
  • Because they are made of monofilament, a type of synthetic, they do not biodegrade.

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