Englishfor English speakers
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.
length
Noun
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The length of an object is the distance between one end of that object and the other.
What is the length of the car?
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The length of a horse is used to show the distance between horses at the end of a race.
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Length is the distance down the pitch that the ball bounces on its way to the batsman.
code
Noun
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A code is a set of rules or laws.
Children usually learn their parents' moral code.
Section 244(1) (a) of the Canadian Criminal Code defines assault.
code
Verb
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If something is coded, it is written or stored in a code.
The completed questionnaires were coded by two people.
The wide variety of proteins in the cells are all coded for by the genes in the nucleus.