Definition of scotophobin in English:

scotophobin

noun

Biochemistry
historical
  • An oligopeptide obtained from the brains of rats which had been trained to avoid darkness, formerly claimed to induce dark avoidance in untrained rats and possibly animals of other species.

Origin

1970s. From scotophobia + -in. Compare scotophobia.

Pronunciation

scotophobin

/skəʊtə(ʊ)ˈfəʊbɪn/