asepticismn.

/əˈsɛptɪsɪz(ə)m/Etymology: < aseptic adj. and n. + -ism suffix.
the world > health and disease > healing > medical treatment > types of treatment generally > [noun] > antiseptic treatment
1880 W. MacCormac 54 The very ligature is part of asepticism.
This entry has not yet been fully updated (first published 1885; most recently modified version published online March 2018).