quantum mechanics

1. 1.

   the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)

   Broaderquantum physics

   Narrowerwave mechanics

Questions about quantum mechanics

What does quantum mechanics mean?

quantum mechanics means "the branch of quantum physics that accounts for matter at the atomic level; an extension of statistical mechanics based on quantum theory (especially the Pauli exclusion principle)".

Is quantum mechanics a common word?

quantum mechanics 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.