TOP

Definition of air pump noun from the Oxford Advanced Learner's Dictionary

air pump

noun
 
/ˈeə pʌmp/
 
/ˈer pʌmp/
jump to other results
  1. a piece of equipment for sending air into or out of something
    • an air pump used to filter water in a fish tank
See air pump in the Oxford Advanced American Dictionary
trait
noun
 
 
From the Word list
Oxford 5000
B2
Oxford Learner's Dictionaries Word of the Day