photonegative
/ˌfəʊtəʊˈnegətɪv/adjective
1
- Biology (of an organism) tending to move away from light【生】（生物体）避光的, 怕光的, 负趋光的。
2
- Physics (of a substance) exhibiting a decrease in electrical conductivity under illumination【物理】（物质）负光电的, 负光电导性的。