a person or thing that gets a substance, usually a metal such as titanium, evaporated onto the walls of a vacuum tube, vessel, etc, to adsorb the residual gas and lower the pressure
WordReference Random House Unabridged Dictionary of American English © 2025
get•ter
(get′ər),USA pronunciation n.
- a person or thing that gets.
- any substance introduced into a partial vacuum, as the interior of a vacuum tube or an incandescent lamp, to combine chemically with the residual gas in order to increase the vacuum.
- British Terms[Chiefly Canadian.]poisoned bait used to exterminate wolves, gophers, and other pests from farm areas.
- 1325–75; Middle English; see get, -er1
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'getter' also found in these entries (note: many are not synonyms or translations):