Acronyms, Abbreviations, and Initialisms.
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The meaning of the Acronym WIYN is...

WIYN is

  • Wisconsin, Indiana University, Yale University, and NOAO Observatory

WIYN is also in:

Acronym Definition Searched: 19178 WVA WDSA SM 70739 WGN NEWS 98371 POH CMT 63535 WGE WMO HRDF 16835