Definition of "rancidity" [ran•cid•i•ty]

• The state of being rancid. (noun)

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• "Some foods, especially those that have a high fat content or those with delicate flavours and aromas, are susceptible to oxidation (attack by air which causes off flavours to develop, known as rancidity)."
• "Rancidity is the key factor - rancidity occurs when oxygen interacts with the oil."
• "It also solved the problem of eliminating certain objectionable features of fats in general, such as rancidity, color, odor, smoking properties when heated."