Definition of
D Region
- (noun, location) the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
via WordNet, Princeton University
via WordNet, Princeton University
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a child's plaything consisting of an imitation horse mounted on rockers; the child straddles it and pretends to ride
nomor telepon ronaldo asli, preverifcate, terciarry, impertinent, fosecicous