Englishfor English speakers
tamper
Verb
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If something is tampered with, it is changed or altered without permission.
The evidence for this case was tampered with.
There have been allegations that the police tampered with the crime scene.
proof
Noun
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Proof is evidence which shows something is correct.
He has proof that he was not at the crime scene. A witness says that they were somewhere else.
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A proof can show how a theorem is correct.
device
Noun
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A device is a small machine or tool.
She has a device in her kitchen for cutting garlic.
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A device is a machine or part attached to a computer, such as a keyboard, mouse, printer etc.
The mouse is an important device for using the computer.
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A device is a clever way of doing something.
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A device is a logo.