Heaviside

1 definition found

From WordNet (r) 2.0 [wn]:

  Heaviside
       n : English physicist and electrical engineer who helped develop
           telegraphic and telephonic communications; in 1902
           (independent of A. E. Kennelly) he suggested the
           existence of an atmospheric layer that reflects radio
           waves back to earth (1850-1925) [syn: {Oliver Heaviside}]