- The definition of an aspirator is a tool that uses suction to remove or collect something, particularly in medicine for removal of fluids.
An example of an aspirator is the tool that is used to remove fluid from a newborn's nose.
Origin: see aspirate
Used by arrangement with John Wiley & Sons, Inc.
- A device for removing liquids or gases by suction, especially an instrument that uses suction to remove substances, such as mucus or serum, from a body cavity.
- A suction pump used to create a partial vacuum.
aspirator - Medical Definition