Palla

prop. n. (Arch.) A follower of the architectural style of Andrea Palladio. [ PJC ]

prop. a. [ From Pallas, Athena. ] 1. Of or pertaining to the Greek goddess Athena, also called Pallas. [ PJC ]

2. Pertaining to wisdom or knowledge; -- Athena being the goddess of wisdom. [ PJC ]

prop. a. (Arch.) Of, pertaining to, or designating, a variety of the revived classic style of architecture, founded on the works of Andrea Palladio, an Italian architect of the 16th century; as, a Palladian window. [ 1913 Webster ]

a. (Chem.) Of, pertaining to, or derived from, palladium; -- used specifically to designate those compounds in which the element has a higher valence as contrasted with palladious compounds. [ 1913 Webster ]

a. (Chem.) Of, pertaining to, or containing, palladium; -- used specifically to designate those compounds in which palladium has a lower valence as compared with palladic compounds. [ 1913 Webster ]

n. [ NL. ] (Chem.) A rare metallic element of the light platinum group, found native, and also alloyed with platinum and gold. It is a silver-white metal resembling platinum, and like it permanent and untarnished in the air, but is more easily fusible, with a melting point of 1555° C. It can also be prepared as a finely divided black powder. It is unique in its power of absorbing hydrogen, which it does to the extent of nearly a thousand volumes, forming the alloy Pd2H. It is used for graduated circles and verniers, for plating certain silver goods, and somewhat in dentistry. It was so named in 1804 by Wollaston from the asteroid Pallas, which was discovered in 1802. Symbol Pd. Atomic number, 46. Atomic weight, 106.42. Density 12.0. [ 1913 Webster ]

n. [ L., fr. Gr. Palla`dion, fr. Palla`s, Palla`dos, Pallas. ] [ 1913 Webster ]

1. (Gr. Antiq.) Any statue of the goddess Pallas; esp., the famous statue on the preservation of which depended the safety of ancient Troy. [ 1913 Webster ]

2. Hence: That which affords effectual protection or security; a safeguard; as, the trial by jury is the palladium of our civil rights. Blackstone. [ 1913 Webster ]

v. t. [ imp. & p. p. Palladiumized p. pr. & vb. n. Palladiumizing ] To cover or coat with palladium. [ R. ] [ 1913 Webster ]