The Collaborative International Dictionary
Oxidator
Oxidator \Ox"i*da`tor\, n.
An oxidizer. [Obs.]
A contrivance for causing a current of air to impinge on the flame of the Argand lamp; -- called also oxygenator.
Wiktionary
oxidator
n. 1 (context obsolete English) An oxidizer. 2 (context obsolete English) A device for causing a current of air to impinge on the flame of the Argand lamp.