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coder

American  
[koh-der] / ˈkoʊ dər /

noun

  1. a person or device that translates information into a code.

  2. a person who assigns codes to objects or data.

    Medical coders assign standard codes to medical services so that insurance companies can pay claims.

  3. Computers. a person who writes computer code; a programmer.


coder British  
/ ˈkəʊdə /

noun

  1. a person or thing that codes

  2. electronics a device for transforming normal signals into a coded form

"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 coder

First recorded in 1925–30; code ( def. ) + -er 1 ( def. )

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.

Peter Steinberger, an Austrian coder and entrepreneur who hacked together OpenClaw as a side project in November, is set to join OpenAI.

From The Wall Street Journal • Feb. 18, 2026

At first, the company used an outside coder, but back-and-forth requests were a hassle.

From Barron's • Feb. 13, 2026

Austrian coder Peter Steinberger built OpenClaw, which lets users create AI assistants that perform tasks such as making dinner reservations.

From The Wall Street Journal • Feb. 6, 2026

For the coder, McNamara, talking more to chatbots has made him a better buddy.

From Los Angeles Times • Jan. 29, 2026

Dimple had never had a friend quite like her before—a generous, glamorous fellow coder.

From "When Dimple Met Rishi" by Sandhya Menon

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