prototype

noun

pro·​to·​type ˈprō-tə-ˌtīp How to pronounce prototype (audio)
1
: an original model on which something is patterned : archetype
2
: an individual that exhibits the essential features of a later type
3
: a standard or typical example
4
: a first full-scale and usually functional form of a new type or design of a construction (such as an airplane)

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The prefix prot-, or proto-, comes from Greek and has the basic meaning "first in time" or "first formed." A prototype is someone or something that serves as a model or inspiration for those that come later. A successful fund-raising campaign can serve as a prototype for future campaigns. The legendary Robin Hood, the "prototypical" kindhearted and honorable outlaw, has been the inspiration for countless other romantic heroes. And for over a century, Vincent van Gogh has been the prototype of the brilliant, tortured artist who is unappreciated in his own time.

Examples of prototype in a Sentence

They tested the prototype of the car. He is developing a prototype for his invention. He is the prototype of a conservative businessman. The Sherlock Holmes stories are the prototypes of modern detective stories.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Robert Meier-Staude, PhD, a fluid mechanics specialist at Munich University of Applied Sciences, who optimized the design of the kites for project, said that the team spent two years developing concepts, simulations and the final prototype. Georgina Jedikovska, Interesting Engineering, 10 Oct. 2025 Lightfighter's other prototype, labeled the V3-RH, is a 135-hp (100-kW) super-naked with higher handlebars and no fairing, built for acceptance into the professional MotoAmerica Super Hooligan series next year. New Atlas, 7 Oct. 2025 In organizations where risk-taking is discouraged, where missteps are punished, pilots rarely become more than prototypes. Adam Mills, MSNBC Newsweek, 7 Oct. 2025 Although this prototype worked for only three hours, the recipient went on to live another 40 years with 26 additional pacemakers, passing away in 2001 at the age of 86. Scott Lafee, San Diego Union-Tribune, 7 Oct. 2025 See All Example Sentences for prototype

Word History

Etymology

French, from Greek prōtotypon, from neuter of prōtotypos archetypal, from prōt- + typos type

First Known Use

1552, in the meaning defined at sense 1

Time Traveler
The first known use of prototype was in 1552

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Cite this Entry

“Prototype.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/prototype. Accessed 16 Oct. 2025.

Kids Definition

prototype

noun
pro·​to·​type ˈprōt-ə-ˌtīp How to pronounce prototype (audio)
: an original model on which something is patterned

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