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iza in certain kinds of decayed wood, as the beech, oak, birch, etc., and extracted as an amorphous powder resembling indigo.

over. -- Yellow precipitate (Med. Chem.), an oxide of mercury which is thrown down as an amorphous yellow powder on adding corrosive sublimate to limewater. -- Yellow puccoon. (Bot.) Same as Orangeroot. -- Yellow rail (Zoöl.), a small American rail (Porzana Noveboracensis) in which the lower parts are dull yellow, d…

the nature of gluten, obtained from the seeds of Indian corn (Zea) as a soft, yellowish, amorphous substance. [Formerly written zeine.]

stance. -- Oxide of zinc. (Chem.) See Zinc oxide, below. -- Zinc amine (Chem.), a white amorphous substance, Zn(NH2)2, obtained by the action of ammonia on zinc ethyl; -- called also zinc amide. -- Zinc amyle (Chem.), a colorless, transparent liquid, composed of zinc and amyle, which, when exposed to the atmosphere,…