WordReference Random House Unabridged Dictionary of American English © 2020
Heaviside layer. 
  • PhysicsSee  E layer. 
    • named after O. Heaviside 1910–15

    Collins Concise English Dictionary © HarperCollins Publishers::
    Heaviside layer n
    1. the E region of the ionosphere
      See E region
    'Heaviside layer' also found in these entries:
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