photoautotrophic
adjective
pho·to·au·to·tro·phic ˌfō-tō-ˌȯ-tə-ˈtrō-fik 
: autotrophic and utilizing energy from light
green plants are photoautotrophic
photoautotrophically
ˌfō-tō-ˌȯ-tə-ˈtrō-fi-k(ə-)lē
adverb 
Word History
First Known Use
1939, in the meaning defined above
Medical Definition
photoautotrophic
adjective
pho·to·au·to·tro·phic -ˌȯt-ə-ˈtrō-fik
: autotrophic and utilizing energy from light
green plants are photoautotrophic