"in ink" = "in biro" (?)

[GeneD]

Do the expressions "write in ink" and "write in biro" mean the same, or is the first one not used for pens?

 

[Skrej]

The second one is nonsensical, at least in AmE. I'm guessing 'biro' means 'pen'? You could say 'write in pen' in some contexts.

The first one could be okay with more context.

Edit: It appears 'biro' is used for 'pen' outside the US.

 

[Rover_KE]

A biro is a ball-point pen.