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Look up impact in Wiktionary, the free dictionary.

Impact may refer to:

• IMPACT Laboratory, an International Multi-User Plasma, Atmospheric and Cosmic Dust Twin Laboratory, the premier research facility for plasma and dust research onboard the International Space Station
• Impact crater caused by Impact event
• IMPACT (computer graphics), a computer graphics architecture for Silicon Graphics computer workstations
• Impact Finite Element Program, an open source finite element program
• Impact force, the (possibly destructive) effect of transfer of energy from one object striking another resulting in a near-instant change of relative velocity
• Impact wrench, a socket wrench power tool that uses impact force
• Impact or Model Mugging, a form of women's self-defense
• In risk assessment, impact is the magnitude of the potential loss or seriousness of the event
• Impact (typeface), a popular typeface, most commonly used for Image Macros
• International Movement of Political Activist Classroom Teachers
• An impact rating gives a measure of scientific journal quality
• Impact (research group), or Illinois Microarchitecture Project utilizing Advanced Compiler Technology, a research group at the University of Illinois at Urbana-Champaign led by Professor Wen-mei Hwu that group researches cutting-edge computer architecture and compilers, most notably the EPIC architecture developed by Intel and Hewlett-Packard. The IMPACT Compiler is the flagship project that this group has developed

In sports and entertainment:

• Impact (band), a 1970s R&B/disco group, led by ex-Temptation Damon Harris
• Impact (1949 movie), a 1949 movie
• Impact (comic), a 1955 comic book
• Impact (Image comic), an Image/Top Cow comic character from the Cyberforce team.
• TNA iMPACT!, a professional wrestling television program produced by Total Nonstop Action Wrestling
• Montreal Impact, a soccer team from Montreal, Quebec
• Impact (news music), a television news music package composed by 615 Music
• "Impact", a song by Against Me! from their 2001 EP Crime As Forgiven By
• Impact (action entertainment magazine) is a UK magazine dedicated to "action entertainment".
• Impact (student magazine) is the official magazine of the University of Nottingham Students' Union.
• Impact Records, a record label

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