IPA: /əˈsɛptɪkli/
KK: /əˈsɛptɪkli/
In a way that prevents contamination by harmful bacteria or viruses.
The laboratory was designed to operate aseptically to ensure accurate results.
Aseptically → It is formed from "a-" (meaning without) and "septicus" (from Latin, meaning infected or putrid) and the suffix "-ly" (meaning in a manner). The word "aseptically" means in a manner that is free from contamination or infection.
Think of 'without' ('a-') infection ('septicus') to remember that 'aseptically' means doing something in a way that avoids contamination.