dead-zone

dead zone

noun
1.
Ecology. an area in a body of water, especially an ocean, having oxygen levels that are not adequate to support life: shellfish threatened by an annual dead zone in the Gulf of Mexico.
2.
dead spot ( def 1 ).
3.
a period or place where there is little activity or excitement: A dead zone for home sales is November and December.
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World English Dictionary
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

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