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photodegradable

[foh-toh-di-grey-duh-buh l]
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adjective
  1. (of a substance) capable of being broken down by light.

Origin of photodegradable

First recorded in 1970–75; photo- + degradable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
British Dictionary definitions for photodegradable

photodegradable

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

photodegradable in Medicine

photodegradable

(fō′tō-dĭ-grādə-bəl)
adj.
  1. 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.

photodegradable in Science

photodegradable

[fō′tō-dĭ-grādə-bəl]
  1. 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 © 2011. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.