Shell
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Look up shell in Wiktionary, the free dictionary.
Shell may refer to:
Architecture and design
- Shell (structure), a thin structure
- Concrete shell, a thin shell of concrete, usually with no interior columns or exterior buttresses
- Thin-shell structure
Science
Biology
- Seashell, a hard outer layer of a marine animal, found on beaches
- Eggshell
- Nutshell
- Exoskeleton, an external covering of some animals
- Mollusc shell
- Shell, of a brachiopod
- Turtle shell
Physics and chemistry
- Electron shell or a principal energy level of electrons outside an atom's nucleus
- Nuclear shell model, a principal energy level of nucleons within an atom's nucleus
- On shell and off shell, quantum field theory concepts depending on whether classical equations of motion are obeyed
Mathematics
Organisations
- Shell plc, a British multinational oil and gas company
- Shell corporation, a type of company that serves as a vehicle for business transactions
Computing
- Shell (computing), a type of user interface
- Command-line interface, sometimes referred to as command shell
- List of command-line interpreters, programs occasionally referred to as shells
- Web shell, interface that enables a web server to be remotely accessed
- Read–eval–print loop, also known as a language shell
- Shell account, a user account on a remote server
- Secure Shell, cryptographic network protocol
- Shellsort or Shell sort, a sorting algorithm by Donald Shell
- Shell, an empty expert system
Entertainment
- Shell (film)
- Shell (theater), a curved surface for reflecting sound
- The Shells, a musical group
- "Shells" (Angel), a TV episode
- Shell, a receptacle used in the Shell game
Places
- Shell, Ecuador
- Shell, Wyoming, United States
- Shell Lake (disambiguation), several places
Weaponry
- Shell (projectile), an explosive device fired from artillery
- Shotgun shell, a type of shotgun ammunition
Persons with the surname Shell
- Art Shell (born 1946), American football player and coach
- Brandon Shell (born 1992), American football player
- Donald Shell (1924–2015), American computer scientist
- Donnie Shell (born 1952), American football player
- George W. Shell (1831–1899), U.S. Representative from South Carolina
- Karl Shell (born 1938), American economist
Other uses
- Racing shell, a watercraft
- Shell (machinery), each half of a two-piece plain bearing
- Coverage shell, the number of defenders guarding the deep portion of the field in American football
- Conchiglie, a type of pasta
See also
- Shell suit, a descendant of the tracksuit
- Shel (disambiguation)
- Shels (disambiguation)
- All pages with titles beginning with Shell
- All pages with titles containing Shell