Noun

1. A nonviable material used in a medical device, intended to interact with biological systems. (source: Consensus definition, 1st Biomaterials Consensus Conference, 1986, Chester, UK)
2. A material intended to interface with biological systems to evaluate, treat, augment, or replace any tissue, organ, or function of the body. (source: Consensus definition, 2nd Biomaterials Consensus Conference, 1992, Chester, UK)