de_forest
1. [ noun ] United States electrical engineer who in 1907 patented the first triode vacuum tube, which made it possible to detect and amplify radio waves (1873-1961)
Synonyms: the_father_of_radio lee_de_forest
Related terms: inventor electrical_engineer
Similar spelling:   deforest
  defrost
  defroster
  Deforge
  deep_freeze
  depress
  Defreese
  depressant
  deep_freezer
  depressor
  depressed
  Depriest
  depressive
  depression
  depressing
  defrock