| A | B |
| dehydrate | (v) - to lose water or moisture; to become dry |
| hydroelectric | (adj) - related to electricity that is made from the energy of falling water |
| hydrant | (n) - an upright pipe with a spout, nozzle, or other outlet, usually in the street for drawing water from a main pipe, especially for fighting fires |
| aquatic | (adj) - living or taking place in water |
| aqueduct | (n) - a channel that has been built to carry water over long distances |
| aquarium | (n) - a glass tank or bowl in which fish or other aquatic animals live |
| aquifer | (n) - an underground layer of rock that water continually moves through |
| marine | (adj) - related to the sea; existing in or produced by the sea |
| marina | (n) - a small harbor where small boats can dock |
| maritime | (adj) - on or near the sea |