melloca, melluco

[Peruvian melloco, ulluco.] Bot.: A genus of Basellaceæ. Melloca tuberosa , called also Ullucus tuberosa [Etym.] is cultivated, under the name of Oca quina, for its tuberous roots in the Andes of Peru and Bolivia. They were tried in Ireland during the potato famine of 1846, but proved a complete failure. ( Loudon . ) měl-lōne, s. [Eng.mell( itic ); suff. -one.] pounds-e. g., g., pseudo-sulpho-cyanogen mel am and melamine. The product is a loose, light yellow, strongly-staining powder, destitute of taste and smell. It is resolved by heat into cyanogen and nitrogen.