scotophobin

[ skoh-tuh-foh-bin ]
/ ˌskoʊ təˈfoʊ bɪn /

noun

a peptide isolated from the brains of rats conditioned to avoid darkness, alleged to induce a dark-avoidance response in untrained rats, mice, and other animals.

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Origin of scotophobin

First recorded in 1965–70; scotophob(ia) + -in2

OTHER WORDS FROM scotophobin

sco·to·pho·bic, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020