palladium1
/
pəˈleɪdɪəm/
n.
the chemical element of atomic number 46, a rare silvery-white metal resembling platinum.
(Symbol:
Pd)
Etymology
C19: mod. L., from Pallas, an asteroid discovered (1803) just before the element.
palladium2
/
pəˈleɪdɪəm/
n.
(pl. palladia
/-dɪə/
)
archaic a safeguard or source of protection.
Etymology
ME: via L. from Gk palladion, denoting an image of the goddess Pallas (Athene), on which the safety of Troy was believed to depend.
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