Definition: In physics, a reductible quantity is one that can be transformed into another quantity through an energy transformation. For example, in nuclear reactions, a nucleus (a particle with a positive charge and a negative mass) can absorb energy from its surroundings to become a lighter or heavier form of the nucleus, which then emits radiation. A reductible quantity can also be considered as a quantity that can be transformed into another quantity through an energy transformation. For instance, in a chemical reaction, a react
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