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photodegradable

[foh-toh-di-grey-duh-buh l] /ˌfoʊ toʊ dɪˈgreɪ də bəl/
adjective
1.
(of a substance) capable of being broken down by light.
Origin
1970-1975
1970-75; photo- + degradable
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for photo degradable

photodegradable

/ˌfəʊtəʊdɪˈɡreɪdəbəl/
adjective
1.
(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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photo degradable in Medicine

photodegradable pho·to·de·grad·a·ble (fō'tō-dĭ-grā'də-bəl)
adj.
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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photo degradable in Science
photodegradable
  (fō'tō-dĭ-grā'də-bəl)   
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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