点乘 Traditional form: 點乘 Pinyin (reading): diǎnchéng Definitions: (math.) dot product (of two vectors) Characters: 点 - dot, point, speck 乘 - ride, mount; to make use of; to ascend; to multiply Traditional characters: 點 - dot, point, speck 乘 - ride, mount; to make use of; to ascend; to multiply