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jansky

1 American  
[jan-skee] / ˈdʒæn ski /

noun

Astronomy.
janskies plural
  1. a unit of flux density for electromagnetic radiation, used chiefly in radio astronomy. Jy


Jansky 2 American  
[jan-skee] / ˈdʒæn ski /

noun

  1. Karl Guthe, 1905–50, U.S. engineer: pioneer in radio astronomy.


Jansky 1 British  
/ ˈdʒænskɪ /

noun

  1. Karl Guthe 1905–50, US electrical engineer. He discovered a source of radio waves outside the solar system (1932) and pioneered radio astronomy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

jansky 2 British  
/ ˈdʒænskɪ /

noun

  1.  Jy.  a unit of flux density equal to 10 –26 W m –2 Hz –1 , used predominantly in radio and infrared astronomy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of jansky

After K. Jansky

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