Biogenous is an adjective that describes something that is formed from living organisms. Synonyms for this word include biogenic, organic, and living-derived. Other words that can be used to describe biogenous materials might include biotic, cellulosic, or enzymatic. Biogenerated could also be a useful synonym, especially in the context of bioengineering or biotechnology. In addition, bioplanktonic can be used to describe certain types of marine organisms that contribute to the formation of biogenous sediments on the ocean floor. Overall, there are many different ways to describe materials that are derived from living organisms, and using precise language is important for accurate scientific communication.