Osmium - Definition - Law Dictionary Home Dictionary Definition osmium

Definition :

A rare metallic element of the platinum group with atomic number 76 It is found native as an alloy in platinum ore and in iridosmine It is a hard infusible bluish or grayish white metal and the heaviest substance known Its tetroxide is used in histological experiments to stain tissues Symbol Os Atomic weight 1902 Specific gravity 22477