atomic number 77

1. 1.

   a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium

   SynonymsiridiumIr

   Broadermetallic element

Questions about atomic number 77

What does atomic number 77 mean?

atomic number 77 means "a heavy brittle metallic element of the platinum group; used in alloys; occurs in natural alloys with platinum or osmium".

What is another word for atomic number 77?

Close synonyms include iridium, Ir. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is atomic number 77 a common word?