Dictionary
pal•la•di•um
Pronunciation: (pu-lā'dē-um), [key]—
n. Chem.
a rare metallic element of the platinum group, silver-white, ductile and malleable, harder and fusing more readily than platinum: used chiefly as a catalyst and in dental and other alloys.
Symbol: Pd;
at. wt.: 106.4;
at. no.: 46;
sp. gr.: 12 at 20°C.
Pal•la•di•um
Pronunciation: (pu-lā'dē-um), [key]—
n.,
—pl. -di•aPronunciation: (-dē-u). [key]
1. Also,Pal•la•di•onPronunciation: (pu-lā'dē-on"). [key]a statue of Athena, esp. one on the citadel of Troy on which the safety of the city was supposed to depend.
2. (
usually l.c.) anything believed to provide protection or safety; safeguard.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.