L-shell

[ el-shel ]

/ ˈɛlˌʃɛl /

Save This Word!

noun Physics.

the second shell of electrons surrounding the nucleus of an atom and containing, when filled, eight electrons having principal quantum number 2.

QUIZ

WILL YOU SAIL OR STUMBLE ON THESE GRAMMAR QUESTIONS?

Smoothly step over to these common grammar mistakes that trip many people up. Good luck!

Question 1 of 7

Fill in the blank: I can’t figure out _____ gave me this gift.

Origin of L-shell

First recorded in 1925–30

Their friends noticed, and asked Sabrine to talk to him to bring him out of his shell a little.
A Sunni-Shia Love Story Imperiled by al Qaeda|Ruth Michaelson|December 26, 2014|DAILY BEAST
Only the L, K, and A of the old sign remain stuck to the side of the office.
The Congo's Forgotten Colonial Getaway|Nina Strochlic|December 18, 2014|DAILY BEAST
John L. Smith is a columnist with the Las Vegas Review-Journal.
Will Hyman Roth Return to Havana With Normalized Relations?|John L. Smith|December 18, 2014|DAILY BEAST
I try to call him to say l agree it's better to stay in Los Angeles after all.
Alfred Hitchcock’s Fade to Black: The Great Director’s Final Days|David Freeman|December 13, 2014|DAILY BEAST

Another said just the act of spending money on self-improvement made him determined to break out of his shell.
The Secret World of Pickup Artist Julien Blanc|Brandy Zadrozny|December 1, 2014|DAILY BEAST
Off flew the shell, seven miles it flew; over the Turkish Army from one sea into another.
Gallipoli Diary, Volume I|Ian Hamilton
He conducts this ceremony with the greatest solemnity, occasionally pronouncing these incantatory words, "Plate or shell, sah?"
Physiology of The Opera|John H. Swaby (AKA "Scrici")
Fancy that enormous shell dropping suddenly out of the blue on to a ship's deck swarming with troops!
Gallipoli Diary, Volume I|Ian Hamilton
De l peu d'heures il mourut entre mes mains fort chrestiennement.
The Jesuit Relations and Allied Documents, Vol. II: Acadia, 1612-1614|Various
But L. Struve estimates the number of those visible to the great telescopes at 20 millions.
God and my Neighbour|Robert Blatchford