The word "antinosin" is an uncommon term that refers to a chemical compound used in scientific research. Its spelling may seem confusing, but the correct pronunciation is [æntiˈnoʊsɪn]. The IPA phonetic transcription breaks down each syllable and sound, starting with the stress on the second syllable. The "anti-" prefix indicates opposition to something, while "nosin" likely comes from the suffix "-osin" used in various biomolecules. Overall, the spelling of "antinosin" is consistent with typical English pronunciation rules.
Nosophen-sodium, a soluble bluish powder, antiseptic; employed as a substitute for iodoform, and in solution as an application to the inflamed mucous membranes of the upper air tract.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.