Englishfor English speakers
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.
atmosphere
Noun
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An atmosphere is a layer of gasses that surrounds a planet.
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The atmosphere is the air in a certain place.
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The atmosphere of a place is the mood or feeling of that place.
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An atmosphere is a unit of measurement for pressure.