From Longman Dictionary of Contemporary Englishsuctionsuc‧tion /ˈsʌkʃən/ noun [uncountable] 1 TAIRthe process of removing air or liquid from an enclosed space so that another substance is sucked in, or so that two surfaces stick together My vacuum cleaner has very good suction. a suction pump2 the force that causes a substance to be sucked into a closed space when the air or liquid already present is removed
Examples from the Corpus
suction• Just to be safe, he carries a suction device to draw the poison out of any wound.• Secretions which block or threaten to block his airway have to be removed by suction.• The rise is a result of the capillary suction which acts against the force of gravity.• Her reclining wheelchair, a chest respirator, and a small end table for her suction machine stood by.• This combination of acid-base disturbances may be seen in postoperative patients receiving nasogastric suction who are hyperventilating because of pain and stress.• Simple suction is out, because gecko feet work perfectly, even in a vacuum.• Then, their ears protected against the piercing whine, they activated the suction pump.• the suction of the vacuum cleanersuction pump• Then, their ears protected against the piercing whine, they activated the suction pump.Origin suction (1600-1700) Late Latin suctio, from Latin sugere “to suck”