pho·to·chro·mat·ic 
(fō′tō-krə-mătĭk)
(fō′tō-krə-mătĭk)adj.
Of or relating to a substance or object whose color changes on exposure to light: photochromatic glasses that darken in sunlight.
pho′to·chromism (-krōmĭz′əm) n.
- Herman
- Hermann
- Hermann
- Hermann Joseph
- Hermann Klaus Hugo
- Hermann Ludwig Ferdinand von
- (Herman) Northrop
- Hermann Wilhelm
- hermaphrodism
- hermaphrodism
- hermaphrodite
- hermaphrodite brig
- hermaphroditic
- hermaphroditically
- hermaphroditism
- Hermaphroditus
- hermeneutic
- hermeneutical
- hermeneutically
- hermeneutics
- hermeneutist
- Hermes
- Hermes Trismegistus
- hermetic
- hermetical