WordReference Random House Unabridged Dictionary of American English © 2025
e•jec•tor
(i jek′tər),USA pronunciation n.
- a person or thing that ejects.
- Military(in a firearm or gun) the mechanism that after firing throws out the empty cartridge or shell.
- HydraulicsAlso called eductor. a device for inducing a flow of a fluid from a chamber or vessel by using the pressure of a jet of water, air, steam, etc., to create a partial vacuum in such a way as to entrain the fluid to be removed.
- Mechanical Engineeringany of various devices for removing work from a machine or die.
- eject + -or2 1630–40
'ejector' also found in these entries (note: many are not synonyms or translations):