counterflooding UK /ˈkaʊn.təˌflʌ.dɪŋ/US /ˈkaʊ.dɚˌflʌ.dɪŋ/ noun1 •The action of deliberately flooding spaces in one part (of a ship, boat, or other vessel) in order to counterbalance flooding occurring elsewhere in the vessel and keep the vessel level and on an even keel.
