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Rotation, rotating on an axis, spin around, spinning top, etc

Spin (public relations), a heavily biased portrayal of an event or situation

Spin (film), 1995 documentary film comprised of unfiltered satellite feeds, exposing politicians' behind the scenes conversations while off-air

Spin (flight), a special and often intense case of a stall.

SPINS, short for Special Instructions, a military term

Spin (physics), a fundamental property of elementary particles

Spin group, a particular double cover of the special orthogonal group SO(n)

Spinning (textiles), the process of creating yarn from various raw fiber materials

Metal spinning, the process of forming metal over a mandrel while spinning around a lathe

SPIN (sales), a sales technique

Sufi whirling, a twirling meditation

Spin (ASIC design), when an ASIC or microprocessor is sent to be manufactured

Spin (novel), a book by Robert Charles Wilson

Spin bowling, in cricket

Spinning, a fishing technique

Spinning (cycling), form of exercise that involves using a stationary bicycle in a classroom setting

Poi (juggling), youth + circus skills

Spin (breakdancing move), a dancing move

Figure-skating spin, a skating move

SPIN model checker, a software tool

Secure Peered Internet

Single Page Inter-Networked Applications

Spin computer language a high level programming language

SPIN web browser for DOS

SPIN (operating system), an OS based on Mach which allows Modula-3 code to be linked into the kernel live*

Spin (album), the first solo album of Darren Hayes

Spin (radio), a single play of a song

Spin (band), from the Maltese Islands

Spin (portuguese band), from Portugal

Spin (magazine), a music magazine

"Spinnin'", a song by Soul Asylum from their 1990 album And the Horse They Rode in On