Meaning & use
prototype
An early, original model of something built to test a design before it is produced in full.
See it in a sentence
Engineers tested the prototype for months before approving the design for mass production.
The startup showed investors a rough prototype of its new fitness tracker.
A note on using this word
A prototype is typically a working test version, distinct from a mockup, which may only show appearance without full function.
Words with a similar meaning
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