Definition: What then is biotechnology? the term “biotechnology” refers to the use of living organisms or their products to modify human health and the human environment. nOther definitions: 1. •Biotechnologists use engineering and science to create new products from biologically based raw materials, such as vaccines or foods. They also develop factory processes to reduce pollution or treat waste products. n•2. Biotechnology uses living cells and materials produced by cells to create pharmaceutical, diagnostic, agricultural, environmental, and other products to benefit society.