The act or process of sucking; the act of drawing, as fluids, by exhausting the air.

Applying a partial vacuum to draw air or fluid in the direction of the partial vacuum, e.g., applying suction to a tube that is passed into the lungs to remove mucus build-up.

Method of extraction or removal of the baby from the birth canal using vacuum.

a suit overcall of one notrump to show length in either the next higher suit (where clubs is deemed to be above spades) or the other two unbid suits. (Sometimes used in conjunction with a two-noturmp overcall to show non-touching suits.) [Example: a Suction two-club overcall shows either diamonds or both majors.

Pumps without down-hole cylinders rely on suction generated by above-ground cylinders to lift water up the rising main.

A pumping unit located in the dispenser that pulls product from the tank, through the piping, to the dispenser.

A misnomer used to describe the drafting process; referring to the intake side of a pump; intake is preferred.

the vapor entering the compressor from the evaporator or a booster compressor.

a force over an area produced by a pressure difference

empty or clean (a body cavity) by the force of suction; "suction the uterus in an abortion"