'Dy' definitions:
Definition of 'Dy'
(from WordNet)
noun
A trivalent metallic element of the rare earth group; forms compounds that are highly magnetic [syn: dysprosium, Dy, atomic number 66]
Definition of 'Dy'
From: GCIDE
- Dy \Dy\ n. the chemical symbol for dysprosium, a rare earth element of atomic number 66.
- Syn: dysprosium. [WordNet 1.5]