Englishfor English speakers
enforcement
Noun
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Enforcement is the act of making people follow a law, rule, or decision.
It is not a problem which can be solved by law enforcement alone.
There simply hasn't been enough enforcement of the rules during this tournament.
of
Preposition
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Made using.
It is a house of cards.
patent
Noun
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A patent is a way of protecting an invention from being stolen.
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Thomas Edison had over 2000 patents.
patent
Verb
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To patent means to get a patent on an invention
Thomas Edison patented the light bulb and the phonograph.