• (n.) Same as Conine.
Co·ni'a noun [ New Latin See Conium .] (Chemistry) Same as Conine . 
Conia also known as Coniine or cicutine is a volatile alkaloid, the active poisonous principle of hemlock. It exists in all parts of the plant, but especially in the not quite ripe seed. When pure it is a colourless oily liquid changing by exposure to the air to a brown fluid, and ultimately to a resinous bitter mass. It has been prepared synthetic...