odorosityn.
/ˌəʊdəˈrɒsᵻti/, U.S. /ˌoʊdəˈrɑsədi/ rare.
The quality or condition of being odorous; odorousness.
ΘΚΠ
the world > physical sensation > smell and odour > [noun] > odorous quality
odorousness1727
odorosity1794
1794 E. Darwin Zoonomia I. 115 Unless we may use the words Saporosity and Odorosity for these common properties, which are possessed by our organs of taste and smell, and by the particles of sapid and odorous bodies.
1847 G. H. Lewes Hist. Philos. (1867) II. 363 In like manner it possesses Saporosity, Odorosity.
1992 B. Bryson Neither Here nor There i. 20 Katz was the sort of person who would..announce his farts..and then grade them for volume, duration, and odorosity, as he called it.
This entry has been updated (OED Third Edition, March 2004; most recently modified version published online March 2022).
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n.1794