Bioinert

Part of speech: adjective

Definitions

1. Pertaining to substances that do not trigger any biological reaction
2. Involving materials that maintain chemical stability and refrain from interacting with biological tissues
3. Describes materials that do not provoke any reaction from living tissues or cells

Etymology: "Bioinert" is a plain compound: "bio-", from Greek "bios" meaning "life," joined to "inert," from Latin "inertem," meaning "unskilled" or "inactive," literally "without art" or "without skill," built from "in-" (not) and "ars" (skill). Put together, the term describes materials that do not provoke a reaction from living tissue, a property that matters in medical implants, where a device must sit in the body without being rejected or corroding into it. The word's meaning follows the English sense of "inert," which moved from "lacking the power to act" to "chemically unreactive." The "bio-" prefix narrows that sense to living systems, so a bioinert material is one that stays chemically quiet inside a body rather than in a test tube alone.

Synonyms: non-reactive, inert, stable, biocompatible, non-toxic