n 1 a  :  a shrub (Camellia sinensis of the family Theaceae, the tea family) cultivated esp. in China, Japan, and the East Indies  b  :  the prepared and cured leaves, leaf buds, and internodes of the tea plant  2  :  a mildly stimulating aromatic beverage prepared from tea leaves by infusion with boiling water  3  :  any of various plants resembling tea in properties : also  :  an infusion of their leaves used medicinally or as a beverage .
abbr tetraethylammonium .
 
 
 
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