Jansky Definition
 jănskē 
    noun
  
 A unit of electromagnetic flux density often used in radio astronomy, equal to 10−26 watts per square meter per hertz.
 American Heritage 
Other Word Forms of Jansky
Noun
Singular:
 janskyPlural:
 janskies, janskysOrigin of Jansky
- After Karl Jansky (1905–1950), American radio engineer - From American Heritage Dictionary of the English Language, 5th Edition 
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