Englishfor English speakers
flexure
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noun
the state of being flexed (as of a joint)
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noun
(= flexion)
act of bending a joint; especially a joint between the bones of a limb so that the angle between them is decreased
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noun
(= fold, crease, plication, bend)
an angular or rounded shape made by folding
a fold in the napkin
a crease in his trousers
a plication on her blouse
a flexure of the colon
a bend of his elbow
torsion
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noun
a twisting force
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noun
(= tortuosity, contortion)
a tortuous and twisted shape or position
they built a tree house in the tortuosities of its boughs
the acrobat performed incredible contortions
flutter
Verb
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If something flutters, it moves unsteadily quickly right and left or up and down, often because of wind.
She was very sleepy, but from time to time, her eyes fluttered open.
The leaves fluttered down from the trees and around the house.
Three bright flags fluttered in the wind.
The wind set the leaves of the tree fluttering.
Leaves flutter when the wind blows.
A candle flame will flutter if the wind blows.
flutter
Noun
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A flutter is a quick movement up and down or left and right.
—
A flutter is the sound of this movement.