AEsculin \[AE]s"cu*lin\, n. Same as {Esculin}. [1913 Webster]
Esculin \Es*cu"lin\, n. [See {Esculic}.] (Chem.) A glucoside obtained from the {[AE]sculus hippocastanum}, or horse-chestnut, and characterized by its fine blue fluorescent solutions. [Written also {[ae]sculin}.] [1913 Webster]