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.
delay
Noun
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A delay is a wait or the waiting time.
Computer problems caused a long delay in the meeting.
Train A62 will be leaving in 15 minutes. We apologize for the delay.
delay
Verb
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If you delay, you wait until a later time or cause something to be late.
We have decided to delay the changes to give people more time.
The train was delayed by mechanical problems.
We only have a few spots left, so don't delay.
unit
Noun
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One of a measure of something; the amount of something that is counted as "one".
Measure five units to the left.
$4 is the unit price.
A pound is a useful unit for thinking about amounts of butter.
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Form of measurement.
I prefer metric units.
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Item, used when no other word for something exists.
He set up the A/C unit.