English to English
1. a force over an area produced by a pressure difference
2. the act of sucking
3. The act or process of sucking; the act of drawing, as fluids, by exhausting the air.
4. remove or draw away by the force of suction
the doctors had to suction the water from the patient's lungs
5. empty or clean (a body cavity) by the force of suction
suction the uterus in an abortion