1suc·tion 
/ˈsʌkʃən/ noun
/ˈsʌkʃən/ noun [noncount] : the act or process of removing the air, water, etc., from a space in order to pull something into that space or in order to cause something to stick to a surface
▪ The vacuum cleaner picks up dirt by suction. ▪ The octopus grasps things using suction. ; also : the force with which the air, water, etc., in a space is removed
▪ a vacuum cleaner with enough suction to pick up the heaviest particles of dirt ▪ strong suction
▪ The vacuum cleaner picks up dirt by suction. ▪ The octopus grasps things using suction. ; also : the force with which the air, water, etc., in a space is removed
▪ a vacuum cleaner with enough suction to pick up the heaviest particles of dirt ▪ strong suction
