I. ˈäk-si-jə-ˌnāt, äk-ˈsi-jə- transitive verb
( -at·ed ; -at·ing )
Date: 1788
: to impregnate, combine, or supply (as blood) with oxygen
• ox·y·gen·a·tion ˌäk-si-jə-ˈnā-shən, äk-ˌsi-jə- noun
II. noun
Date: 1975
: an oxygen-containing substance (as ethanol) used especially in gasoline to promote more complete combustion