jansky

[jan-skee]

noun, plural jan·skies.

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

Origin of jansky

after K. Jansky

Jansky

[jan-skee]

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. 2018

Examples from the Web for jansky

Historical Examples of jansky

Later observers, for example Jansky and Moss, established four groups.
The Organism as a Whole
Jacques Loeb

British Dictionary definitions for jansky

jansky

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

Jansky

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