<biology> Of organisms that can grow either photosynthetically or chemotrophically. ... (05 Feb 1998) ... 
Of organisms that can grow either photosynthetically or chemotrophically.
amphitrophic, amphitroph 1. A reference to an organism that lives as a phototroph during daylight and as a chemotroph in darkness. 2. Organisms that can grow either in the day, photosynthetically; or at night, chemotrophically.
Organisms capable of gaining energy and nutrients by both autotrophic and heterotrophic means. (Same as amphizoic).