• (n.) A contrivance for causing a current of air to impinge on the flame of the Argand lamp; -- called also oxygenator. • (n.) An oxidizer. Found on http://thinkexist.com/dictionary/meaning/oxidator/
Ox'i·da`tor noun 1. An oxidizer. [ Obsolete] 2. A contrivance for causing a current of air to impinge on the flame of the Argand lamp; -- called also oxygenator . Found on http://www.encyclo.co.uk/webster/O/61