Capable of perceiving changes in the chemical composition of the environment, e.g., changes in the oxygen and carbon dioxide content of the blood. ... (05 Mar 2000) ... 
(ke″mo-sen´sĭ-tiv) sensitive to changes in chemical composition.
Type: Term Pronunciation: kē′mō-sen′si-tiv Definitions: 1. Capable of perceiving changes in the chemical composition of the environment, changes in the oxygen and carbon dioxide content of the blood.