clenching

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clenching

(klench'ing)
1. Forcible, repeated contraction of the jaw muscles with the teeth in contact. This causes pulsating, bilateral contractions of the temporalis and pterygomasseteric muscles. It may be done consciously, subconsciously while awake, or during sleep. See: bruxism
2. Tightly closing the fist.
Medical Dictionary, © 2009 Farlex and Partners

clench·ing

(klenching)
Nonfunctional tooth clamping in centric occlusion.
Medical Dictionary for the Dental Professions © Farlex 2012
References in periodicals archive ?
Emma Barton plays Dolly and Jasmyn Banks is Pauline Clench.
I've also seen K9 officers holding a straining dog back by the leash experience this, as the other hand holding the duty pistol clenched in synchronization with the dog's surging motion.
Meanwhile Mr Clench, who used to be a male nurse, tended to Mr Rawlins who he suspected had suffered a stroke.
At the time, Clench was an Indian agent and responsible for the distribution of funds from land sales, said Jody Kechego, research director for Land Claims for the First Nation.
When the eel sent out a volley of electric shocks, muscles in the curare-treated fish didn't clench, but the other fish's muscles did.
Those who clenched their right fist first and then their left were able to recall the most words.
You apparently clench your right fist to store the memory and clench your left fist to release it.
Mr Rooney, get on with what you do best, playing football, and quite rightly make it your democratic choice to either sing the national anthem, or clench your mouth shut.
In fact, there are moments when Cookie is so serious that you can almost hear Ndegeocello's jaw clench tightly from trying so hard to declare the importance of her work.