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.
Similarly, a color display and a larger amount of RAM would have also added expense, so the prototype had a small 256x256 monochrome CRT driven by the ubiquitous Motorola 6845 CRTC, plus 64K of RAM. Cameron Kaiser, ArsTechnica, 12 Sep. 2025 Working nights in his garage, Trombone built the prototype using personal funds. Kapil Kajal, Interesting Engineering, 12 Sep. 2025 All of these factors are being taken into account as the researchers work to develop a useful robot dog prototype. Mack Degeurin, Popular Science, 11 Sep. 2025 The prototype was also powered by a laptop-like charger, though the promo video clearly has other ideas about that, and shows the Master X plugging itself into an outdoor charger or rolling over a wireless charging pad for a top-up. New Atlas, 11 Sep. 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 13 Sep. 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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