Englishfor English speakers
extension
Noun
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The space that something occupies.
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Extension is the process of making something longer.
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An extension is the time or part of something that was added to make it longer.
She had extensions put in her hair and now she has long hair.
He couldn't pay in May so the bank gave him an extension until July.
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An extension is the operation of pulling the two ends of a broken bone to bring the broken pieces into the same straight line.
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Extension is the act of moving an arm, leg, finger, etc. so that it is straight.
flex
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verb
contract
flex a muscle
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verb
exhibit the strength of
The victorious army flexes its invincibility
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verb
(= bend, twist, turn)
cause (a plastic object) to assume a crooked or angular form
bend the rod
twist the dough into a braid
the strong man could turn an iron bar
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verb
(= bend)
bend a joint
flex your wrists
bend your knees
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noun
the act of flexing
he gave his biceps a flex to impress the ladies
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verb
(= bend)
form a curve
The stick does not bend