Meaning of “prototype” in the English Dictionary

"prototype" in British English

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prototypenoun [ C ]

uk /ˈprəʊ.tə.taɪp/ us /ˈproʊ.t̬ə.taɪp/

(Definition of “prototype” from the Cambridge Advanced Learner’s Dictionary & Thesaurus © Cambridge University Press)

"prototype" in American English

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prototypenoun [ C ]

us /ˈproʊ·t̬əˌtɑɪp/

the original model of something from which later forms are developed

adjective [ not gradable ] us /ˌproʊ·t̬əˈtɪp·ɪ·kəl/

a prototypical jazz singer

(Definition of “prototype” from the Cambridge Academic Content Dictionary © Cambridge University Press)

"prototype" in Business English

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prototypenoun [ C ]

uk /ˈprəʊtəʊtaɪp/ us

PRODUCTION the first example of a machine or other industrial product, from which all later forms are developed:

build/develop/create a prototype Manufacturers have built a prototype which will be shown at the forthcoming trade fair.
early/first/working prototype Our first prototype digital camera appeared back in 1976.
a prototype of/for sth The firm and its industrial partners plan this summer to put a prototype of an underwater power platform off the Florida coast.

(Definition of “prototype” from the Cambridge Business English Dictionary © Cambridge University Press)