adhesion

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ad·he·sion / adˈhēzhən/ • n. 1. the action or process of adhering to a surface or object: the adhesion of the Scotch tape to the paper. ∎  the frictional grip of wheels, shoes, etc., on a road or other surface: the front tires were struggling for adhesion. ∎  Physics the sticking together of particles of different substances. ∎  allegiance or faithfulness to a particular person, party, or set of ideas: his adhesion to the old bureaucracy.2. Med. an abnormal union of membranous surfaces due to inflammation or injury.

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