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n.1.(Geom.) A polymeric form of pyridine, C10H10N2, obtained as a colorless oil by the action of sodium on pyridine.
Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
Li, "Development of metal complex imprinted solid-phase microextraction fiber for 2,2; dipyridine recognition in aqueous medium," Talanta, vol.