attachment [ǝ`tach·mǝnt] ORGANIC CHEMISTRY The conversion of a molecular entity into another molecular structure solely by formation of a single two-center bond with another molecular entity and no other changes in bonding. PSYCHOLOGY The behavior of an individual who relates in an affiliative or dependent manner to another individual or object. VIROLOGY The initial stage in the infection of a cell by a virus that follows a chance collision by the virus with a suitable receptor area on the cell. |