Dysprosium
Pronunciation : Dys*pro"si*um, n. [NL.
Part of Speech : fr.
Definition : Defn: An element of the rare earth-group. Symbol Dy; at. wt., 162.5.
Gr. dyspro`sitos hard to get at.] (Chem.)
Source : Webster's Unabridged Dictionary, 1913
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