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ballpoint pen

American  
[bawl-point pen] / ˈbɔlˌpɔɪnt ˈpɛn /

noun

  1. a pen in which the point is a fine ball bearing that rotates against a supply of semisolid ink in a cartridge, thus rolling the ink onto paper.

Etymology

Origin of ballpoint pen

First recorded in 1945–50; ball 1 + point

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.