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atomic number 72 |
atomic number 73 |
atomic number 74 |
atomic number 75 |
atomic number 76 |
atomic number 77
| atomic number 78
| atomic number 79
| atomic number 8
| atomic number 80
| atomic number 81
atomic number 77
WORDNET DICTIONARY
Noun atomic number 77 has 1 sense
- atomic number 77(n = noun.substance) ir, iridium - a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium; Array is a kind of metal, metallic element
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