dead zone
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dead zone
n.
1. An area in a body of water where levels of dissolved oxygen are too low to sustain aquatic life, usually resulting from the growth and subsequent decomposition of algae brought about by excess nutrients (as from polluted runoff).
2. See dead spot.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
dead zone
n
1. an area of water that cannot support marine life, being virtually devoid of oxygen due to the presence of nitrates that stimulate algae growth
2. an area where a mobile phone does not receive a signal
3. any area where something does not exist or prosper: a dead zone for cinemas.
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
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