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The Collaborative International Dictionary
Oxidator

Oxidator \Ox"i*da`tor\, n.

  1. An oxidizer. [Obs.]

  2. 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.