Origin: Latin suffix -tion
Suction has 6 different meanings across 2 categories:
a force over an area produced by a pressure difference
"The engineer adjusted the vacuum pump to increase suction, ensuring enough pressure difference would lift the heavy debris from the pipe."
A force which pushes matter from one space into another because the pressure inside the second space is lower than the pressure in the first.
"The vacuum cleaner's powerful suction pulled all the dust and debris out of the carpet fibers."
remove or draw away by the force of suction
"the doctors had to suction the water from the patient's lungs"
To create an imbalance in pressure between one space and another in order to draw matter between the spaces.
"The plumber used a wet/dry vacuum to create suction that pulled all the water out of the flooded basement floorboards."