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Updated June 2026
A discrete quantity of energy proportional in magnitude to the frequency of radiation it represents, or a required or allowed amount. In physics, it refers to the smallest possible discrete unit of any physical property.
“Quantum mechanics revolutionised our understanding of atomic and subatomic particles.”
/ˈkwɒn.təm/
quan·tum
Contains Q and U; watch for the -TUM ending
Worth 18 points; the Q makes it valuable
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