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atomic number 77

 

Definitions from WordNet

Noun atomic number 77 has 1 sense
  1. iridium, Ir, atomic number 77 - a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium
    --1 is a kind of metallic element, metal

Definitions from the Web

Atomic Number 77

Definition: Atomic number 77 refers to the element iridium, which is a dense, lustrous, and corrosion-resistant transition metal belonging to the platinum group.

Sense 1 (Noun): In chemistry, the atomic number 77 is the numerical representation of the order of the element iridium in the periodic table.

Example sentence: The atomic number 77 corresponds to the element iridium, symbolized as Ir.

Sense 2 (Adjective): Atomic number 77 can also be used as an adjective to describe anything related to the element iridium.

Example sentence: The atomic number 77 analysis revealed the presence of iridium in the sample.

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