(with singular agreement) (a) the science or practice of operating machines or other devices at a distance, chiefly by means of electrical signals…
the operation of machines or other devices at a distance, chiefly using radio waves; (also) a machine or device operated in this way.
英语词典包含1132095条英英释义在线翻译词条，基本涵盖了全部常用单词的英英翻译及用法，是英语学习的有利工具。