or aes·cu·lin

[ es-kyuh-lin ]
/ ˈɛs kyə lɪn /

noun Chemistry.

a white, crystalline, slightly water-soluble glucoside, C15H16O9, obtained from the bark of the common horse chestnut and used chiefly in skin preparations as a protective against sunburn.

Origin of esculin

< Italian esculina < New Latin Aescul(us) (first part of genus name of species that produces it) + Italian -ina -in2 Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020

Examples from the Web for esculin

  • Esculin will not luminesce with peroxidase and H2O2, but pyrogallol or gallic acid will.