(n): the work of a writer; anything expressed in letters of the alphabet (especially when considered from the point of view of style and effect)
(n): the process of adapting to something (such as environmental conditions)
(n): a process occurring in living organisms
(n): (physiology) the responsive adjustment of a sense organ (as the eye) to varying conditions (as of light)
(n): the act of making something different (as e.g. the size of a garment)
