n. - A powerful and very poisonous vegetable alkaloid found in
the hemlock (Conium maculatum) and extracted as a colorless oil,
C8H17N, of strong repulsive odor and acrid taste. It is regarded as a
derivative of piperidine and likewise of one of the collidines. It
occasions a gradual paralysis of the motor nerves. Called also coniine,
coneine, conia, etc. See Conium, 2.