principal quantum number
noun Physics.
the nonnegative, integral quantum number that defines the stationary orbits in the Bohr model of the atom.
Also called
total quantum number.
Origin of principal quantum number
First recorded in 1920–25
Words nearby principal quantum number
principal nursing officer,
principal optic axis,
principal parts,
principal plane,
principal point,
principal quantum number,
principal rafter,
principal value,
principalities,
principality,
principally