What do a.m. and p.m. stand for?


[ran-sid] /ˈræn sɪd/
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
1640-50; < Latin rancidus rank, stinking, equivalent to ranc(ēre) to be rotten + -idus -id4
Related forms
rancidly, adverb
rancidness, rancidity, noun
unrancid, adjective Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for rancidity
  • Hydrolytic rancidity was strongly correlated with esterase activity but not with oil concentration.
  • Samples will also be tested by equipment that measures color, microbial presence, and rancidity and warm over flavor.
  • Iron-hydroperoxide interactions will cause the decomposition of fatty acids leading to the development of rancidity.
  • Hydrolytic rancidity found in milk will give off an odor resembling spoiled nutmeats.
  • Induced rancidity requires that the milk undergo certain activation treatments for rancidity to develop.
  • We also found that the expeller processing helped to form natural antioxidants that inhibited rancidity.
  • It's recommended to drain the brine because salt encourages rancidity and texture changes.
  • We recommended draining the brine because salt encourages rancidity and texture changes.
  • Use of peroxide value and carbonyl value to determine the onset of rancidity in mayonnaise.
  • High temperatures can cause rancidity of oils and deterioration of vitamins.
British Dictionary definitions for rancidity


(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
Derived Forms
rancidity (rænˈsɪdɪtɪ), rancidness, noun
Word Origin
C17: from Latin rancidus rank, from rancēre to stink
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source
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.

Online Etymology Dictionary, © 2010 Douglas Harper
Cite This Source
rancidity in Medicine

rancid ran·cid (rān'sĭd)
Having the disagreeable odor or taste of decomposing oils or fats.

ran·cid'i·ty or ran'cid·ness n.
The American Heritage® Stedman's Medical Dictionary
Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.
Cite This Source

Word of the Day

Difficulty index for rancid

Some English speakers likely know this word

Word Value for rancidity

Scrabble Words With Friends

Nearby words for rancidity