单词 | anode |
释义 | anode n. Electr.   1. the positive electrode in an electrolytic cell or electronic valve or tube.   2. the negative terminal of a primary cell such as a battery (opp. CATHODE). Phrases and idioms anode ray a beam of particles emitted from the anode of a high-vacuum tube. Derivatives anodal adj. anodic adj. Etymology: Gk anodos way up f. ana up + hodos way |
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