Definition of D Region in English :
Define D Region in English
D Region meaning in English
Meaning of D Region in English
Pronunciation of D Region in English
D Region pronunciation in English
Pronounce D Region in Englishsee synonyms of d region
1. d region, d-layer
the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
WordNet Lexical Database for English. Princeton University. 2010.
Collins English Dictionary. Copyright © HarperCollins Publishers
Webster’s New World College Dictionary, 4th Edition. Copyright © 2010 by Houghton Mifflin Harcourt. All rights reserved.