The Collaborative International Dictionary
Rancidity
Rancidity \Ran*cid"i*ty\ (r[a^]n*s[i^]d"[i^]*t[y^]), n. [Cf. F.
rancidit['e].]
The quality or state of being rancid; a rancid scent or
flavor, as of old oil.
--Ure.
Wiktionary
rancidity
n. The state of being rancid.