atomic number 72

1. 1.

   a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons

   SynonymshafniumHf

   Broadermetallic element

Questions about atomic number 72

What does atomic number 72 mean?

atomic number 72 means "a grey tetravalent metallic element that resembles zirconium chemically and is found in zirconium minerals; used in filaments for its ready emission of electrons".

What is another word for atomic number 72?

Close synonyms include hafnium, Hf. 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 72 a common word?

atomic number 72 is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.