1. Branch of biology that deals with a new and sometimes controversial branch of biology that studies the manipulation of living matter, including genetic modification and synthetic biology.
2. The use of microorganisms, such as bacteria or yeasts, or biological substances, such as enzymes, to perform specific industrial or manufacturing processes. Applications include production of certain drugs, synthetic hormones, and bulk foodstuffs. (The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. )
3. The application of the principles of engineering and technology to the life sciences. (The American Heritage® Medical Dictionary Copyright © 2007, 2004 by Houghton Mifflin Company. )
4. The study of the relationships between humans or other living organisms and machinery. (Mosby’s Dental Dictionary, 2nd edition. © 2008 Elsevier, Inc.)
5. The industrial application of the results of biologic research such as recombinant deoxyribonucleic acid (DNA) and gene splicing that permit the production of synthetic hormones or enzymes. (Mosby’s Dental Dictionary, 2nd edition. © 2008 Elsevier, Inc.)
Word origin: From the Greek word bios + techne, art, logos, science