Thal"line (?), a. Bot.
Consisting of a thallus.
© Webster 1913.
Thal"line (?), n. [Gr. a young shoot or branch.] Chem.
An artificial alkaloid of the quinoline series, obtained as a white crystalline substance, C10H13NO, whose salts are valuable as antipyretics; -- so called from the green color produced in its solution by certain oxidizing agents.
© Webster 1913.