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Tiros

American  
[tahy-rohs] / ˈtaɪ roʊs /

noun

U.S. Aerospace.
  1. one of a series of satellites for transmitting television pictures of the earth's cloud cover.


Tiros British  
/ ˈtaɪrəʊs /

noun

  1. one of a series of US weather satellites carrying infrared and television camera equipment for transmitting meteorological data to the earth

"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 Tiros

t(elevision) i(nfra)r(ed) o(bservational) s(atellite)