ballpoint

US /ˈbɑːl.pɔɪnt/
UK /ˈbɑːl.pɔɪnt/
"ballpoint" picture
1.

tükenmez kalem

a pen with a tiny ball as its writing point

:
Please sign the document with a ballpoint pen.
Lütfen belgeyi tükenmez kalemle imzalayın.
I prefer writing with a ballpoint over a fountain pen.
Dolma kalem yerine tükenmez kalemle yazmayı tercih ederim.