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

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Example Sentences

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

“We’ve been harping a lot on back pressure in the middle, and Coach has been on me about working hard for the puck,” Eichel said.

From Washington Times • Oct. 12, 2015

It renders it possible to estimate the resistance to suction and the back pressure due to expelling the burnt gases, the chief causes of loss in efficiency in high-speed engines.

From Gas-Engines and Producer-Gas Plants A Practice Treatise Setting Forth the Principles of Gas-Engines and Producer Design, the Selection and Installation of an Engine, Conditions of Perfect Operation, Producer-Gas Engines and Their Possibilities, the Care of Gas-Engines and Producer-Gas Plants, with a Chapter on Volatile Hydrocarbon and Oil Engines by Mathot, R. E.