biowaste
/ˈbʌɪə(ʊ)weɪst/noun
1Waste material derived from living organisms or of organic origin (sewage, agricultural or forestry waste, etc.), especially as a potential source of energy.
2Biomedical waste material consisting of or contaminated with body tissue or fluids, microorganisms, etc.
Origin
1960s; earliest use found in Chemical and Engineering News. From bio- + waste.