Englishfor English speakers
brush
Noun
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A brush is a tool with many thin pieces of plastic to smooth hair and wool.
brush
Verb
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If you brush something, you clean it with a brush.
I forgot to brush my teeth before going to bed.
arc
Noun
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An arc is part of a circle.
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Electricity jumping from one place to another. This is very bright and looks like lightning.
arc
Verb
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If something arcs, it makes an electrical curve.
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If something arcs, it goes along a curved path.
detector
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noun
any device that receives a signal or stimulus (as heat or pressure or light or motion etc.) and responds to it in a distinctive manner
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noun
electronic equipment that detects the presence of radio signals or radioactivity
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noun
rectifier that extracts modulation from a radio carrier wave