Englishfor English speakers
four
Determiner
—
(ordinal fourth) The number 4. Four is one more than three and one less than five.
We have four fingers and one thumb on each hand.
four
Noun
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The number 4.
Two and two is four.
level
Adjective
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Even, flat, straight, smooth, horizontal. Having all parts equally as high as all other parts.
This table is not level: things are rolling off it.
level
Noun
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A level is a place that is higher or lower than some other places.
The room you want is on the third level of this building.
—
A tool for finding out whether a surface is level.
liquid
Noun
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A basic state of things that is similar to water. Not solid or gas.
She put the liquid in a glass.
liquid
Adjective
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A thing that is in the form of a liquid.
He added liquid nitrogen.