anode
UK[ˈæn.əʊd]US[ˈæn.oʊd]
n
the electrode through which electric current flows into a device, such as a battery or an electrolytic cell.
Morpheme Breakdown
an
ode
an
up
ode
way
Etymology
the term 'anode' was coined in 1834 by the english scientist michael faraday, based on greek roots to describe the path of electric current. he derived it from the greek 'anodos', meaning 'a way up', from 'ana-' ('up') and 'hodos' ('way'). faraday needed a systematic terminology for the newly discovered phenomenon of electrolysis, designating the electrode where current enters an electrolyte as the 'upward way' or entrance point. this logical construction, contrasting with 'cathode' (the 'downward way'), provided a clear directional metaphor for the flow of electricity, which has been retained in modern electrochemistry and electronics.
Analysis
Structure: an (up) + ode (way)
an- (greek origin, meaning 'up'); -ode (greek origin, from 'hodos', meaning 'way' or 'path').
Examples
in a discharging battery, the anode is the negative terminal.
the copper was deposited onto the anode during the electroplating process.
researchers are developing new materials for the battery anode to increase its capacity.