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