D defs.my
Entry 2 senses Webster, 1913

light-sensitive

· IPA
01 adj. Affected by light; as, the light-sensitive pigments in the retina.
  1. 1.
    Affected by light; as, the light-sensitive pigments in the retina.
  2. 2.
    Decomposing under the influence of light; unstable when exposed to light; -- of chemical compounds.(Chem.)