- having a rank, unpleasant, stale smell or taste, as through decomposition, especially of fats or oils: rancid butter.
- (of an odor or taste) rank, unpleasant, and stale: a rancid smell.
- offensive or nasty; disagreeable.
Origin of rancid
Examples from the Web for rancidity
Historical Examples of rancidity
The most common defect known is that usually referred to as rancidity.Outlines of dairy bacteriology
H. L. Russell
Practically, rancidity is held in check by storing butter at low temperatures where germ growth is quite suspended.
This change is usually a rancidity that is observed in all stale products of this class.
Not only does it vary much in freedom from acid and rancidity, but is frequently adulterated.The Chemistry of Food and Nutrition
A. W. Duncan
It cannot, however, be accepted as a certainty that bacteria cause the rancidity of fats.Soap-Making Manual
E. G. Thomssen
- (of butter, bacon, etc) having an unpleasant stale taste or smell as the result of decomposition
- (of a taste or smell) rank or sour; stale
Word Origin for rancid
Word Origin and History for rancidity
1640s, from Latin rancidus "rank, stinking, offensive" (also source of Italian rancido, Spanish rancio), from rancere "be spoiled or rotten," of unknown origin. German ranzig is from French rancide. Related: Rancidness.
- Having the disagreeable odor or taste of decomposing oils or fats.