E layer

E layer

noun
the radio-reflective ionospheric layer of maximum electron density, normally found at an altitude between 60 and 75 miles (100 and 120 km).


Origin:
1930–35

Dictionary.com Unabridged
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Collins
World English Dictionary
E layer
 
n
another name for E region

E region or E layer
 
n
See also ionosphere Heaviside layer, Also called: Kennelly-Heaviside layer a region of the ionosphere, extending from a height of 90 to about 150 kilometres. It reflects radio waves of medium wavelength
 
E layer or E layer
 
n

Collins English Dictionary - Complete & Unabridged 10th Edition
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American Heritage
Science Dictionary
E layer  
See E region.
The American Heritage® Science Dictionary
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