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1. Of, relating to, having the nature of, or affected by sepsis.
2. Causing sepsis; putrefactive.

[Latin sēpticus, putrefying, from Greek sēptikos, from sēptos, rotten, from sēpein, to make rotten.]

sep·tic′i·ty (-tĭs′ĭ-tē) n.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
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A chemical dosing system is a facility for automated injection of reagents into a wastewater network for the control of septicity and odour emissions.
The theatre represented, or so it was argued, a space of moral and bodily septicity. This perception of the theatre as a hotbed of infection was not necessarily groundless, as any social space that brought people into close proximity with one another could--and did--facilitate the spread of pathogens.