The act by which something is pulled.
influence; "pull".
A device for removing saliva from a patient's mouth during dental operations, a saliva ejector.
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 process of creating an imbalance in pressure to draw matter from one place to another.
A force holding two objects together because the pressure in the space between the items is lower than the pressure outside that space.
To draw out the contents of a space.
To create an imbalance in pressure between one space and another in order to draw matter between the spaces.