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suction

1 suction /ˈsʌkʃən/ noun
1 suction
/ˈsʌkʃən/
noun
Britannica Dictionary definition of SUCTION
[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
also : the force with which the air, water, etc., in a space is removed
2 suction /ˈsʌkʃən/ verb
suctions; suctioned; suctioning
2 suction
/ˈsʌkʃən/
verb
suctions; suctioned; suctioning
Britannica Dictionary definition of SUCTION
[+ object] technical
: to remove (something) by pulling it with the force of moving water, air, etc. : to remove (something) by using suction