By-product and Prototype

By-product

By-product noun - Something that naturally develops or is developed from something else.
Usage example: hydrogen is one by-product of that chemical reaction

Prototype is an antonym for by-product.

Prototype

Prototype noun - Something belonging to an earlier time from which something else was later developed.
Usage example: the Greek epic that is the prototype of the hero myth

By-product is an antonym for prototype.

Cite this Source
Prototype and By-product. (2016). Retrieved 2023, June 09, from https://thesaurus.plus/related/by-product/prototype
By-product & Prototype. N.p., 2016. Web. 09 Jun. 2023. <https://thesaurus.plus/related/by-product/prototype>.
Prototype or By-product. 2016. Accessed June 09, 2023. https://thesaurus.plus/related/by-product/prototype.