Appleton layer, F layer, F region(noun)
the highest region of the ionosphere (from 90 to 600 miles up) which contains the highest concentration of free electrons and is most useful for long-range radio transmission
The numerical value of f layer in Chaldean Numerology is: 2
The numerical value of f layer in Pythagorean Numerology is: 4
Sample Sentences & Example Usage
Life is like an onion. You peel off one layer at a time and sometimes you weep.
Common sense is that layer of prejudices which we acquire before we are sixteen.
Changing the pension clause really only changes one layer of the protection. You’ve still got to deal with the second layer, which is the contracts clause.
At the center of each human heart is goodness, layered over with hurt, confusion, and mistaken ideas. Our task is to gently peel off layer after layer until the unfettered heart can shed its love upon the world.
Liberia's very much like an onion... there's layer after layer after layer of trauma and grief, so we're going back to not only read into that but, as a survivor, to bear that burden with the Liberians who have come through that.
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