Meaning Of The Word D layer

Real Dictionary

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D layer Meaning

D layer Definition
D layer Definition

What's The Definition Of D layer?

D layer in American English
the lowest area of the ionosphere, having increased ion density and existing only in the daytime: it begins at an altitude of about 70 km (c. 43 mi) and merges with the E layer
noun: the lowest region of the ionosphere, characterized by mounting electron and ion density: exists, during the day only, from about 43 to 50 mi. (70 to 80 km) altitude

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