agua aqua big drink blue water drink drinking water eau ground water hard water head heavy water high sea high seas hydrol hydrometeor hydrosphere limewater main main sea mineral water ocean ocean depths ocean main ocean sea rain rainwater salt sea sea sea water soft water spring water steam thalassa the bounding main the brine the briny the briny deep the deep the deep sea the seven seas the vasty deep tide water water vapor well water wetting agent wetting-out agent