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e smooth elliptical leaves are used as a substitute for tea, and were formerly used in preparing the black drink of the Indians of North Carolina. Called also South-Sea tea. [Written also yapon, youpon, and yupon.]

eached zero. Absolute zero. See under Absolute. -- Zero method (Physics), a method of comparing, or measuring, forces, electric currents, etc., by so opposing them that the pointer of an indicating apparatus, or the needle of a galvanometer, remains at, or is brought to, zero, as contrasted with methods in which the d…