prototype

noun

• 1a first or preliminary version of a device or vehicle from which other forms are developed:the firm is testing a prototype of the weapon
• the first, original, or typical form of something; an archetype:these objects are the prototypes of a category of rapidly spinning neutron stars

• 2 Electronics a basic filter network with specified cut-off frequencies, from which other networks may be derived to obtain sharper cut-offs, constancy of characteristic impedance with frequency, etc.: the construction of bandpass networks from low-pass prototypes

verb

• make a prototype of (a product): Mercedes is prototyping a car sunroof which changes from clear to tinted