Englishfor English speakers
change
Verb
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If you change something, you make it different than before.
Ellen changed the sentence so that it was correct.
change
Noun
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A change is when something becomes different.
The building plan required some small changes.
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When you get change for a bill, you get smaller bills or coins that equal the amount of the original bill. For example, if you get change for a $5 bill, you may get five $1 bills or you may get four $1 bills and coins that add up to $1 or you may get some other combination of bills and coins.
Can I get change for this $100 bill please?
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A change is a replacement.
I brought a change of clothes, just in case.
of
Preposition
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Made using.
It is a house of cards.
variable
Noun
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A variable is something that may not always be the same.
In life insurance, sex is an important variable because men generally die younger than women.
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A variable is something used in mathematics for an unknown value.
In "x = 1 + 2 +...n = ((1 + n) × n)÷2", x is the variable.
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A variable is something used in computer programming languages that stores data, such as a number or words.
variable
Adjective
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If something is variable, it changes often.
The temperature in the area is highly variable.
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If a group is variable, there are big differences between things in the group.
The expected height of children in 3rd grade is variable.