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Dictionary

  Definition of D region
  1. the lowest region of the ionosphere (35 to 50 miles up) that reflects low-frequency radio waves
Similar Words: D-layer

 

Part Meronyms: ionosphere

 

Anagrams: Negroid, eroding, negroid, ignored

 

 
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thoracic_nerve means any of twelve pairs of spinal nerves emerging from the thoracic region of the spinal cord; ... more
 
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