副ふく生せい物ぶつ

noun

secondary product; by-product

Refers to something produced incidentally during the production of something else, often in biological, chemical, or industrial contexts.

• この化か学がく反はん応のうでは、副ふく生せい物ぶつとして水みずが生せい成せいされる。

  In this chemical reaction, water is produced as a by-product.

• 発はっ酵こうの過か程ていで、いくつかの副ふく生せい物ぶつが生しょうじる。

  Several by-products are formed during the fermentation process.