roller ball pen 1
noundomain: artefact
EnWordnet [ver.5.0]
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EnglishDefinition
A roller ball pen is a pen that uses ball point writing mechanism with water-based liquid or gelled ink, as opposed to the oil-based viscous inks found in ballpoint pens.
Examples
- 1.The roller ball pen was designed to combine the convenience of a ballpoint pen with the smooth effect of a fountain pen.
