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butyric acid

American  

noun

Chemistry.
  1. either of two isomeric acids having the formula C 4 H 8 O 2 , especially a rancid liquid occurring chiefly in spoiled butter, whose esters are used as flavorings.


butyric acid British  
/ bjuːˈtɪrɪk /

noun

  1. a carboxylic acid existing in two isomeric forms, one of which produces the smell in rancid butter. Its esters are used in flavouring. Formula: C 3 (CH 2 ) 2 COOH

"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

butyric acid Scientific  
/ byo̅o̅-tîrĭk /
  1. Either of two colorless fatty acids found in butter and certain plant oils. It has an unpleasant odor and is used in emulsifying agents, disinfectants and drugs. Chemical formula: C 4 H 8 O 2 .


Etymology

Origin of butyric acid

First recorded in 1820–30

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Females produce seeds with an outer fleshy layer that contains butyric acid, the signature scent of human vomit.

From National Geographic Oct. 4, 2023

Talk then turned to the possible use of butyric acid, which can damage skin and eyes.

From Washington Post Jan. 24, 2017

An eyeless tick’s includes not just the smell of butyric acid, which wafts from mammalian skin, but the years-long wait for a moment of succulent opportunity.

From The New Yorker May 23, 2016

This partially sours the milk, and creates butyric acid - a compound found in such diverse substances as parmesan cheese and baby spit-up.

From BBC Mar. 18, 2015

The baby vomits frequently, the vomitus being acid in reaction and odor, the latter due to the presence of fatty acids, butyric acid, etc.

From Dietetics for Nurses by Proudfit, Fairfax T.

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