Englishfor English speakers
flaw
Noun
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When something has a flaw, it is not perfect and has a problem.
That ruby is scratched, therefore it has a flaw.
detecting
—
noun
(= detection)
a police investigation to determine the perpetrator
detection is hard on the feet
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.