subshell

American  

[suhb-shel] / ˈsʌbˌʃɛl /

noun

Physics.

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

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subshell Scientific  

/ sŭb′shĕl′ /

1. 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.

2. See more at orbital quantum number

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Etymology

Origin of subshell

First recorded in 1965–70; sub- + shell

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Compare meaning

How does subshell compare to similar and commonly confused words? Explore the most common comparisons:

• subshell vs. orbital

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Example Sentences

See Examples For:

subshell

When drawing orbital diagrams, we include empty boxes to depict any empty orbitals in the same subshell that we are filling.

From Textbooks ● Feb. 14, 2019

Orbitals within the same subshell are still degenerate and have the same energy.

From Textbooks ● Feb. 14, 2019

Both atoms, which are in the alkali metal family, have only one electron in a valence s subshell outside a filled set of inner shells.

From Textbooks ● Feb. 14, 2019

The Pauli exclusion principle determines the maximum number of electrons allowed in each shell and subshell.

From Textbooks ● Aug. 12, 2015

"Bang foo runs foo in a subshell, while bang alone shells out."

From The Jargon File, Version 4.2.2, 20 Aug 2000 by Guy L. Steele

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