jansky

[ jan-skee ]
/ ˈdʒæn ski /

noun, plural jan·skies.Astronomy.

a unit of flux density for electromagnetic radiation, used chiefly in radio astronomy. Abbreviation: Jy

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Origin of jansky

After K. Jansky

Definition for jansky (2 of 2)

Jansky
[ jan-skee ]
/ ˈdʒæn ski /

noun

Karl Guthe, 1905–50, U.S. engineer: pioneer in radio astronomy.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Example sentences from the Web for jansky

British Dictionary definitions for jansky (1 of 2)

jansky
/ (ˈdʒænskɪ) /

noun plural -skys

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

Word Origin for jansky

C20: named after K. G. Jansky

British Dictionary definitions for jansky (2 of 2)

Jansky
/ (ˈdʒænskɪ) /

noun

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