Crossword Genius

Ballpoint (4)

Ross

I think it could be either:

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3

4

biro

'ballpoint' is the definition.
(synonyms)

This is all the clue.

(Other definitions for biro that I've seen before include "Type of ballpoint pen" , "Lazlo -, ballpoint pen inventor" , "Writing implement" , "writer" , "Laszlo Jozsef -, ballpoint pen inventor" .)

I've seen this clue in The Guardian.
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