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Ballpoint pen
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a writing instrument with an oil-based ink solution and a small metal or plastic ball at the writing tip
What is a "ballpoint pen"?
A ballpoint pen is a writing tool that uses a tiny, rotating ball at the tip to release ink onto paper. The ball, which is usually made of metal, turns as it is used, allowing the ink to flow smoothly and evenly. Ballpoint pens are popular for their reliability, low cost, and the ability to write quickly without smudging. They come in various colors and tip sizes and are widely used for everyday writing tasks.
ballpoint pen
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Example
Biro pens, also known as ballpoint pens, revolutionized writing with their reliable ink flow.
She always carries a ballpoint pen in her purse for jotting down quick notes.
He adjusted the nib of his ballpoint pen to ensure a consistent flow of ink.
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