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Vinony

ballpoint pen

noun

  1. device dispensing ink over a metal ball at its point
L763097 on Wikidata ↗

Wiktionary

noun

Etymology: From ballpoint + pen. Compare Dutch balpen (“ballpoint pen”).

  1. A pen, similar in size and shape to a pencil, having an internal chamber filled with a viscous, quick-drying ink that is dispensed at the tip during use by the rolling action of a metal sphere (around 0.7 mm to 1 mm in diameter).