1. The field devoted to applying the techniques of biochemistry, cellular biology, biophysics, and molecular biology to addressing practical issues related to human beings, agriculture, and the environment.
2. The use of recombinant DNA or hybridoma technologies for production of useful molecules, or for the alteration of biologic processes to enhance some desired property.
The information shown above for biotechnology is provided by Stedman's.
* Stedman's, part of Lippincott Williams & Wilkins, provide a comprehensive line of health-science publications for healthcare professionals and medical students.