Englishfor English speakers
edge
Noun
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The boundary of a surface.
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An advantage.
His speed gives him an edge.
edge
Verb
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To create an edge.
He edged the grass.
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To move slowly.
She edged away from him.
deviation
Noun
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A deviation is difference or movement away from a standard.
They insist that there must be no deviation from that style.
Any deviations from the contract would have to be agreed by both parties.
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A deviation is the difference between a number and the average of a set of values.