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machinist

American  
[muh-shee-nist] / məˈʃi nɪst /

noun

  1. a person who operates machinery, especially a skilled operator of machine tools.

  2. a person who makes or repairs machines.

  3. U.S. Navy. a warrant officer whose duty is to assist the engineering officer in the engine room.


machinist British  
/ məˈʃiːnɪst /

noun

  1. a person who operates machines to cut or process materials

  2. a maker or repairer of machines

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of machinist

First recorded in 1700–10; machine + -ist

Vocabulary lists containing machinist

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

The Air Force veteran and union machinist told Romero he was mulling a run for public office.

From Salon • Feb. 3, 2026

The story begins in Boston, at the close of the Civil War, when machinist Ira Steward penned a pamphlet called “The Eight Hour Movement.”

From The Wall Street Journal • Nov. 11, 2025

All around him, workers are cutting the leather into the right shape to hand it to the machinist.

From BBC • Jan. 31, 2025

Those who were lost represented a cross-section of Baltimore: line cook, lawyer, bus driver, engineer, machinist, teacher, restaurant owner, carpenter, veteran, physician, salesman and admissions coordinator for an addiction recovery center.

From New York Times • May 23, 2024

He moved from a custodial job to one in a factory as a machinist.

From "The Boy on the Wooden Box" by Leon Leyson

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