anode
Concise Oxford English Dictionary © 2008 Oxford University Press:
anode /ˈanəʊd/
▶noun a positively charged electrode. The opposite of cathode.
■ the negatively charged electrode of an electrical device, such as a primary cell, that supplies current.
– derivatives
anodal adjective,
anodic adjective.
anodal adjective,
anodic adjective.
– origin C19: from Gk anodos ‘way up’.
'anode' also found in these Oxford entries:

