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.
kidney
Noun
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Kidney is an organ that is part of the human body. It cleans the blood and makes urine (pee) which is the dirty water that needs to leave the body.
Our kidneys are very important organs in our body.
When you drink more water, your kidneys can clean the blood better and make more urine.
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The organ that does the same thing in the body of other animals.