1Biology (of an organism) tending to move away from light.
〔生〕（生物体）避光的，怕光的，负趋光的
Example sentencesExamples
Homozygous ß3 mutant larvae were also photonegative, but hemizygous ß3 mutant larvae were photoneutral.
Species commonly initiate strongly photonegative swimming when the intensity of light decreases, such as would occur when a predator passes overhead; the behavior is known as the ‘shadow response.’
2Physics (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
Example sentencesExamples
In this process, photonegative materials will be removed while photopositive materials remain in the final device.
This form of dielectric, in one aspect, is a photonegative paste.
Definition of photonegative in US English:
photonegative
adjectiveˌfōdōˈneɡədiv
1Biology (of an organism) tending to move away from light.
〔生〕（生物体）避光的，怕光的，负趋光的
Example sentencesExamples
Species commonly initiate strongly photonegative swimming when the intensity of light decreases, such as would occur when a predator passes overhead; the behavior is known as the ‘shadow response.’
Homozygous ß3 mutant larvae were also photonegative, but hemizygous ß3 mutant larvae were photoneutral.
2Physics (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
Example sentencesExamples
In this process, photonegative materials will be removed while photopositive materials remain in the final device.
This form of dielectric, in one aspect, is a photonegative paste.