Englishfor English speakers
protection
Noun
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Protection is keeping something or someone safe.
She ran away from her abusive husband to her brother for protection.
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A device used for safe sex e.g. condom.
I used protection so I wouldn't get her pregnant.
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.