dysprosium, Dy, atomic number
(noun) a trivalent metallic element of the rare earth group; forms compounds that are highly magnetic
Source: WordNet® 3.1
dysprosium (uncountable)
A metallic chemical element (symbol Dy) with atomic number 66: a rare earth element with a metallic silver lustre.
Source: Wiktionary
Dys*pro"si*um, n. [NL., fr. Gr. dyspro`sitos hard to get at.] (Chem.)
Definition: An element of the rare earth-group. Symbol Dy; at. wt., 162.5.
Source: Webster’s Unabridged Dictionary 1913 Edition
21 February 2025
(noun) some artifact that has been restored or reconstructed; “the restoration looked exactly like the original”
Coffee dates back to the 9th century. Goat herders in Ethiopia noticed their goats seem to be “dancing” after eating berries from a particular shrub. They reported it to the local monastery, and a monk made a drink out of it. The monk found out he felt energized and kept him awake at night. That’s how the first coffee drink was born.
