Englishfor English speakers
spiral
Noun
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A spiral is a shape that has a curve that curves closer and closer to a point until it stops..
spiral
Verb
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If something spirals, it increases or decreases dramatically.
Her debts were spiraling out of control.
source
Verb
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If you source something, then you obtain or receive it.
source
Noun
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The source of some material, an idea, a product, etc. is the place it came from originally.
XYZ company can't supply these parts anymore, so we need to find a new source.
Church sources said four people were injured and 100 to 200 were taken away by the police.
The paper comes primarily from British sources.
is the main source of global warming.