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crème fraîche

American  
[krem fresh, kreem, krem fresh] / ˌkrɛm ˈfrɛʃ, ˌkrim, krɛm ˈfrɛʃ /

noun

French Cooking.
  1. slightly fermented cream that has been thickened by lactic acids and natural fermentation.


crème fraîche British  
/ ˈkrɛm ˈfrɛʃ /

noun

  1. thickened and slightly fermented cream

"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

Etymology

Origin of crème fraîche

< French: literally, fresh cream