Dictionary.com
Thesaurus.com

back pressure

British  

noun

  1. engineering

    1. the pressure that opposes the motion of a piston on its exhaust stroke in an internal-combustion engine

    2. the exhaust pressure in external combustion engines

  2. med the local pressure that builds up when fluid flow is obstructed in the cardiovascular or urinary systems

"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

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.

Walker Duehr hustled up the ice after a turnover, fended off some back pressure and zipped a cross-ice pass to Lucic, who sent the puck just under the crossbar and in.

From Washington Times • Mar. 24, 2023

This ridge acts like a doorstop, creating back pressure that holds the ice shelf together.

From Scientific American • Oct. 18, 2022

"They had their chances. We had great back pressure, great sticks and turning a lot of pucks over in the neutral zone."

From Fox News • Jun. 23, 2021

“They had their chances. We had great back pressure, great sticks and turning a lot of pucks over in the neutral zone.”

From Washington Post • Jun. 22, 2021

Bob nodded, and opened the throttle little by little, while the chauffeur held his foot on the muffler cut-out pedal, in order to relieve the engine of all back pressure.

From The Radio Boys at Mountain Pass The Midnight Call for Assistance by Chapman, Allen