Wiktionary
microbially
adv. (context sciences English) By means of or in relation to microbes
Usage examples of "microbially".
When the Principal Medical Officer, after conferring with the Scientific Advisory Committee, declared the base to be also microbially "safe," the facility began expanding and taking on additional comforts as more administrators and officers, along with their staffs, tired of more than two months of being in the ship, began moving down to the surface.