Definiciones
1.NounA group of two things.
A tuplet of two notes played in the time of three.
the set of two electrons, with antiparallel spins, in the same orbital
2.NounA tuplet of two notes played in the time of three.
3.Nounthe set of two electrons, with antiparallel spins, in the same orbital
4.NounAn empty box placed above the existing boxes of the beehive in order to allow the colony to expand or store additional honey.