anode

Estimated CEFR level: C2 — Proficiency

Estimated from word frequency; not an official CEFR classification.

Definition

  1. noun a positively charged electrode by which electrons leave an electrical device
  2. noun the negatively charged terminal of a voltaic cell or storage battery that supplies current

Etymology

From Ancient Greek ἀνα- (ana-, “up”) and ὁδός (hodós, “path”), forming the New Greek compound ἄνοδος (ánodos). Coined by English polymath William Whewell in 1834 for Michael Faraday, who introduced it later that year. By surface analysis, an- (“up, forward, away”) + -ode (“way”).

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