D defs.my
Entry 1 sense Webster, 1913

Dysprosium

/dĭs-prōʹzē-əm/ · Dys·pro·si·um · IPA /dɪsˈpɹoʊ.zi.əm/
01 n. An element of the rare earth-group. Symbol Dy; at. wt., 162.5.
  1. 1.
    An element of the rare earth-group. Symbol Dy; at. wt., 162.5.(Chem.)