Definition of "Ky"

Ky¹

noun
uncountable
1. (mineralogy) Abbreviation of kyanite.
  Quotations
  (A) Plane-polarized light and (B) back-scattered electron (BSE) images. The pseudomorph (Crd) is made up of Grt + Qtz + Ky rodlets + micas flakes (mainly biotite, Bt).
  2017, J. Theo Kloprogge, Robert Lavinsky, “Introduction: Geological Examples”, in Photo Atlas of Mineral Pseudomorphism, Amsterdam: Elsevier, page 88

Ky²

proper noun
1. A short form of the female given names Kylie, Kylee, or Kyleigh, used as a nickname and/or as a form that is not overtly feminine.