Ir

Ir
Ir Ir n. (Chem.) The chemical symbol for iridium, a metallic element of the platinum group. It has atomic number 77 and an atomic weight of 192.22.

Syn: iridium. [WordNet 1.5]


The Collaborative International Dictionary of English. 2000.

Игры ⚽ Поможем написать курсовую

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