WordWeb Online

1. A written work (as a novel) that has been recast in a new form
   "the play is an adaptation of a short novel";
   - version
    
2. The process of adapting to something (such as environmental conditions)
   - adaption, adjustment
    
3. (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)

Derived forms: adaptations

Type of: adjustment, alteration, biological process, modification, organic process, piece of writing, writing, written material

Encyclopedia: Adaptation, ocular