closed shell

noun

, Physics.

1. (in atomic structure) a shell that contains the maximum number of electrons permitted by the exclusion principle.
2. (in nuclear structure) a shell that contains the maximum number of nucleons permitted by the exclusion principle.

Example Sentences

“I just turned to a closed shell, I was hot-headed, stressed, depressed.”

From BBC

The “closed shell construction system,” Wannius said, “produces a hurricane-, flood-resistant building taking sheet rock out of the walls and using an almost water-impermeable print material.”

From Seattle Times

A live oyster, a good one, when it hits the culling board has a tightly closed shell.

From Literature

When purchasing clams, you want to make sure they have a completely closed shell, as this means that they are still alive.

From Seattle Times

Among the most studied interactions of π systems, the non-covalent attraction between neutral, closed shell aromatic rings is often characterized using the terms π−π interaction or π stacking12, 13, 14, 15.

From Nature