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shell in Wiktionary, the free dictionary.
Shell may refer to:
Architecture and design
Science
Biology
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 formerly Royal Dutch Shell plc, a British multinational oil and gas company
Shell corporation , a type of company that serves as a vehicle for business transactions
Computing
Entertainment
Places
Weaponry
Persons with the surname Shell
Other uses
See also
Topics referred to by the same term