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Pronunciation: ad-hē′zhŭn


  1. The process of adhering or uniting of two surfaces or parts, especially the union of the opposing surfaces of a wound.
  2. In the pleural and peritoneal cavities, inflammatory bands that connect opposing serous surfaces; the direct result of trauma or inflammation of the serosal surfaces.
  3. Physical attraction of unlike molecules for one another.
  4. Molecular attraction existing between the surfaces of bodies in contact.

Synonym(s): adhesio, conglutination1

[L. adhaesio,, fr. adhaereo, to stick to]

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