Englishfor English speakers
momentum
Noun
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The momentum is the way something keeps going after you stop pushing it.
The rock rolled down the hill. It had too much momentum. Nobody could stop it.
flux
Noun
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A flux is a chemical agent for cleaning metal prior to soldering or welding.
It is important to use flux when soldering or oxides on the metal will prevent a good bond.
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Flux is the action or process of flowing.