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[foh-toh-di-grey-duh-buh l] /ˌfoʊ toʊ dɪˈgreɪ də bəl/
(of a substance) capable of being broken down by light.
Origin of photodegradable
1970-75; photo- + degradable Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
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Examples from the web for photodegradable
  • Plastic sheeting is easily vandalized, easily torn, and photodegradable.
  • Although the wattle netting is photodegradable, there are concerns that it persists long enough to pose hazards for small animals.
  • The top surface of the blanket should be covered with a photodegradable extruded plastic mesh.
  • So researchers are working with two types of degradable plastics: photodegradable and biodegradable.
  • Whenever possible, biodegradable or photodegradable materials will be used.
  • The top of each blanket is covered with a photodegradable extruded plastic mesh.
British Dictionary definitions for photodegradable


(of plastic) capable of being decomposed by prolonged exposure to light
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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photodegradable in Medicine

photodegradable pho·to·de·grad·a·ble (fō'tō-dĭ-grā'də-bəl)
Capable of being chemically broken down by light.

The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
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photodegradable in Science
Capable of decomposing when exposed to light. Photodegradable plastic, for example, becomes brittle and breaks into smaller pieces when exposed to sunlight, helping reduce litter and environmental damage.
The American Heritage® Science Dictionary
Copyright © 2002. Published by Houghton Mifflin. All rights reserved.
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