fission

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Fission, a splitting of something into two or more parts, may refer to:

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• Fission (biology), the division of a single entity into two or more parts and the regeneration of those parts into separate entities resembling the original
• Nuclear fission, when the nucleus of an atom splits into smaller parts
• Fission (band), a Swedish death metal band
• Fission (album), by Jens Johansson