- I. \\ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷\ noun
Etymology: Middle English, from Old English wæterflōd from wæter water + flōd flood — more at water, flood1. : a sweeping flood of water2. : the act of flooding (as an oilwell) with waterII. \\ˈ ̷ ̷ ̷ ̷ ¦ ̷ ̷ \ intransitive verb: to pump water into the ground around an oil well nearing depletion in order to force out additional oil• waterflood noun
* * */waw"teuhr flud', wot"euhr-/, n.(in the petroleum industry) a method of secondary recovery whereby water is pumped into reservoir rock to force out oil that has ceased to flow under its own pressure.[1925-30; WATER + FLOOD]
Useful english dictionary. 2012.