- Indium by Webster's
... n.) A rare metallic element, discovered in certain ores of zinc, by means of its characteristic spectrum of two indigo blue lines; hence, its name. In appearance it resembles zinc, being white or lead gray, soft, malleable and easily fusible, but in its chemical relation it resembles aluminium or gallium. Symbol In. Atomic weight, 113.4.
- indium by Marco Brewer
A metallic chemical element; symbol In; at. No. 49; at. Wt. 114.82; m.p. 156.6°C; b.p. About 2,080°C; sp. Gr. 7.31 at 20°C; valence +1, +2, or +3. Indium is a soft, malleable, ductile, lustrous, silver-white metallic element; it crystallizes in a face-centered tetragonal structure. Its properties are similar to those of gallium, the element directly above it in Group 13 of the ...
- Yttrium by Webster's
... n.) A rare metallic element of the boron-aluminium group, found in gadolinite and other rare minerals, and extracted as a dark gray powder. Symbol Y. Atomic weight, 89.
- aluminum by WordNet
nounA silvery ductile metallic element found primarily in bauxite.synonyms: aluminium, Al, atomic number 13
- Cadmium by Webster's
... n.) A comparatively rare element related to zinc, and occurring in some zinc ores. It is a white metal, both ductile and malleable. Symbol Cd. Atomic weight 111.8. It was discovered by Stromeyer in 1817, who named it from its association with zinc or zinc ore.