Sonic can refer to several things:
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Sonic the Hedgehog: Sonic the Hedgehog is a Japanese video game series and media franchise created by Yuji Naka, Naoto Ohshima, and Hirokazu Yasuhara for Sega. The franchise follows Sonic, an anthropomorphic blue hedgehog who battles the evil Doctor Eggman, a mad scientist. The main Sonic the Hedgehog games are platformers mostly developed by Sonic Team; other games, developed by various studios, include spin-offs in the racing, fighting, party, and sports genres).
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Sonic as a term related to sound: The term "sonic" can also refer to sound waves or the speed of sound. If something goes faster than the speed of sound, it creates a sonic boom, a shock wave that sounds like an explosion. The adjective "sonic" was coined in the 1920s, from the Latin "sonus," or "sound." Its used to describe things relating to sound, as well as things that travel as fast as sound.
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Sonic as a fast-food chain: Sonic is also the name of a fast-food chain that offers customizable drinks and food items.
In summary, "sonic" can refer to the Sonic the Hedgehog video game series, the term related to sound, or a fast-food chain.
