aseptic
/æˈseptɪk/adjective
1- free from contamination caused by harmful bacteria, viruses, or other micro-organisms无菌的; 防感染的。
1.1
- (of surgical practice) aiming at the complete exclusion of harmful micro-organisms（外科手术）完全无菌的。
1.2
- (of a wound, instrument, or dressing) surgically sterile or sterilized（伤口, 手术器具, 包扎）严密消毒的。