Dictionary.com
Thesaurus.com

shockstall

British  
/ ˈʃɒkˌstɔːl /

noun

  1. the loss of lift and increase of drag experienced by transonic aircraft when strong shock waves on the wings cause the airflow to separate from the wing surfaces

"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