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ˈbrittleness

British  
/ ˈbrɪtəlnɪs /

noun

  1. the quality of being brittle

  2. metallurgy the tendency of a metal to break without being significantly distorted or exposed to a high level of stress Compare toughness softness

"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