subshell

[suhb-shel]

noun Physics.

a group of electrons in an atom belonging to the same shell and also having the same azimuthal quantum number.

Origin of subshell

First recorded in 1965–70; sub- + shell

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

subshell in Science

[sŭb′shĕl′]

One or more orbitals in the electron shell of an atom with the same energy level. Subshells have different shapes and are distinguished by their magnetic quantum number. See more at orbital quantum number.