- suc|tion
- suc|tion «SUHK shuhn», noun, adjective.–n.1. the process of drawing liquids or gases into a space or of causing surfaces to stick together by producing a vacuum. Lemonade is drawn through a straw by suction.2. the force caused by suction.3. the act or process of sucking.4. any part or device, such as a pipe, which effects, or operates by, suction, or by pressures less than that of the atmosphere.–adj.1. causing a suction; working by suction: »
a suction valve.
2. in which suction occurs; into or through which something is forced or drawn by suction: »a suction line.
╂[< Late Latin sūctiō, -ōnis < Latin sūgere to suck]
Useful english dictionary. 2012.