Webster’s Revised Unabridged Dictionary · 1913
Etiolin
E′ti·o·lin, n. [See Etiolate.] (Bot.) A yellowish coloring matter found in plants grown in darkness, which is supposed to be an antecedent condition of chlorophyll. Encyc. Brit.
Webster’s Revised Unabridged Dictionary · 1913
E′ti·o·lin, n. [See Etiolate.] (Bot.) A yellowish coloring matter found in plants grown in darkness, which is supposed to be an antecedent condition of chlorophyll. Encyc. Brit.