Englishfor English speakers
double
Adjective
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A double door, window, etc. includes two of the same kind.
We opened the double door to let the piano come in.
Call me at 519-double three double seven.
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A double accident, murder, etc. is two events that happen together or are somehow connected.
With the double wedding, Sunday was the busiest day of the year.
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If something is double, it is 100% bigger than something else.
The new computer was double the cost of the old one.
I'll have a double coffee.
Usually we see about seventy people a day, but yesterday it was double.
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A double thing is for two people.
They slept together in a double bed, while James slept in a single in the other room.
double
Verb
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If something doubles, it grows by 100%.
The price of gold has almost doubled in the last month from $407 to $792.
We need to double the number of people buying it.
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If something doubles as something else, it has both roles.
The kitchen doubles as our dining room.
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If something doubles up/over, it folds in half.
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If two people double up, they stay or work together.
double
Noun
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Somebody's double is another person who looks very similar to them.
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In baseball, a double is a hit that allows the runner to move to second base.
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.