- the act or process of sucking
- the production of a vacuum or partial vacuum in a cavity or over a surface so that the external atmospheric pressure forces the surrounding fluid, particulate solid, etc. into the cavity or causes something to adhere to the surface
- the suction force created in this way
Origin of suctionClassical Latin suctio from suctus, past participle of sugere, to suck
- causing suction
- operating by suction
- The act or process of sucking.
- A force that causes a fluid or solid to be drawn into an interior space or to adhere to a surface because of the difference between the external and internal pressures.
transitive verbsuc·tioned, suc·tion·ing, suc·tions
- To draw away or remove by the force of suction: suction fluid from the lungs.
- To clean or evacuate (a body cavity, for example) by the force of suction.
- Creating suction.
- Operating or operated by suction.
Origin of suctionLate Latin sūctiō sūctiōn- from Latin sūctus past participle of sūgere to suck ; see seuə-2 in Indo-European roots.
- The principle of physics by which matter is drawn from one space into another because the pressure inside the second space is lower than the pressure in the first.
- The principle of physics by which one item is caused to adhere to another because the pressure in the space between the items is lower than the pressure outside that space.
- The process of creating an imbalance in pressure to draw matter from one place to another.
(third-person singular simple present suctions, present participle suctioning, simple past and past participle suctioned)
- To create an imbalance in pressure between one space and another in order to draw matter between the spaces.
- To draw out the contents of a space.
- Of or relating to something that operates by the principle of creating an imbalance in pressure to draw matter from one place to another.
Latin sugere (to suck)