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corrugator

British  
/ ˈkɒrʊˌɡeɪtə /

noun

  1. a muscle whose contraction causes wrinkling of the brow

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

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“Fluting happens at the top,” McDaniel said, indicating a series of whirring cogs on the corrugator that folded the paper into tiny creases — origami at industrial scale.

From New York Times Nov. 28, 2022

With these movements, you can feel the action of the corrugator supercilli.

From Textbooks Jun. 19, 2013

There are several small facial muscles, one of which is the corrugator supercilii, which is the prime mover of the eyebrows.

From Textbooks Jun. 19, 2013

He further believes that towards the outer two-thirds of the eyebrow the corrugator acts in conjunction with the upper orbicular muscle; both here standing in antagonism to the frontal muscle.

From The Expression of the Emotions in Man and Animals by Charles Darwin

Hence throughout this work I shall take a similar view of the action of the corrugator supercilii, orbicularis, pyramidalis nasi, and frontalis muscles.

From The Expression of the Emotions in Man and Animals by Charles Darwin

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