Crossword Genius

Conductor making return went by bus? (9)

Ross

I believe the answer is:

electrode

'conductor' is the definition.
(I know that electrode is a type of conductor)

'return went by bus?' is the wordplay.
'return' becomes 'elect' (I've seen this before).
'went by bus?' becomes 'rode' (I've seen this in another clue).
'elect'+'rode'='ELECTRODE'

'making' acts as a link.

(Other definitions for electrode that I've seen before include "Terminal of, eg, an acid battery" , "Conducting contact" , "Conductor (eg, in battery)" , "Conducting terminal" , "Conductor making contact in a circuit" .)

I've seen this clue in The Telegraph.
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