Definition of "adhesion" in English

noun

1. The ability of a substance to stick to an unlike substance.

2. Persistent attachment or loyalty.

3. An agreement to adhere.

4. (medicine) An abnormal union of surface by the formation of new tissue resulting from an inflammatory process.

5. (biochemistry) The binding of a cell to a surface or substrate.

6. The frictional grip on a surface, of wheels, shoes etc.