What do a.m. and p.m. stand for?

air pump

an apparatus for drawing in, compressing, or exhausting air.
(initial capital letters) Astronomy. the constellation Antlia.
Origin of air pump
1650-60 Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2015.
Cite This Source
Examples from the web for air pump
  • The machine at the top is the air pump for aeration.
  • All you need is a powerful air pump and a large pressure tank.
  • Don't rely on the tire gauge at a gas station air pump.
  • On the left is a battery pack to power the air pump on the right.
  • The easiest way to add air to the water would be to use a air pump that one uses to get oxygen to fish in an aquarium.
  • Inflatable boats should have an air pump, bucket for bailing, and patch kit.
  • The air pump supplies compressed air for the brake system.
  • Connect a small air pump with the tube under and up through the model to the funnel opening.
  • In replacing an air pump with an electric pump that was leaking naphtha, an explosion occurred.
  • If boats with inflatable components are used on the trip, an air pump or pumps.
British Dictionary definitions for air pump

air pump

a device for pumping air in or out of something
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
Cite This Source

Word of the Day

Difficulty index for air pump

Few English speakers likely know this word

Word Value for air

Scrabble Words With Friends