suction：释义

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.

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.