the electrode by which electrons leave a device and enter an external circuit, e.g.:
the negative terminal of a battery: compare cathode
the positive electrode in an electrolytic cell
the electrode in a thermionic valve or similar electronic device which collects the electrons
anodal /aʹnohdl/ adj
anodally /aʹnoh-/ adv
anodic /aʹnodik/ adj
anodically /aʹnod-/ adv
[Greek anodos way up, from ana- + hodos way]