Adhesion

n. act of sticking or adhering to a surface; attachment, devotion; agreement; abnormal growing together of separate body tissues (Medicine)

For the medical condition see Adhesion (medicine)Adhesion is the molecular attraction exerted between bodies in contact.
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Adhesion /ad·he·sion/ 1. the property of remaining in close proximity. 2. the stable joining of parts to one another, which may occur abnormally. 3. [more]Adhesion - Community and Resources

Noun
1. abnormal union of bodily tissues; most common in the abdomen
(hypernym) pathology
(hyponym) symphysis
2. a fibrous band of scar tissue that binds together normally separate anatomical structures
(hypernym) scar tissue
3. the property of sticking together (as of glue and wood) or the joining of surfaces of different composition
(synonym) adhesiveness, adherence, bond
(hypernym) stickiness
(derivation) cling, cleave, adhere, stick, cohere
4. faithful support for a religion or cause or political party
(synonym) attachment, adherence
(hypernym) support
(hyponym) ecclesiasticism
(derivation) adhere, stick

n. adhesion; joining, membership