Osmium

[ɒzmiәm]

解释:

(noun.) a hard brittle blue-grey or blue-black metallic element that is one of the platinum metals; the heaviest metal known.

校对:莱利亚--From WordNet

解释:

(n.) A rare metallic element of the platinum group, 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 191.1. Specific gravity 22.477.

校对:朗达

解释:

n. a gray-coloured metal found in platinum ore the oxide of which has a disagreeable smell.—adjs. Os′mic Os′mious.

校对:迈克尔