| A | B |
| dehydrate | to lose water or moisture; to become dry |
| hydroelectirc | related to electricity that is made from the energy of falling water |
| hydrant | 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 | living or taking place in water |
| aqueduct | a channel that has been built for carrying water over long distances |
| aquarium | a glass tank or bowl in which fish or other aquatic animals live |
| aquifer | an underground layer of rock that water continuously moves through. |
| marine | related to the sea; existing or produced by the sea |
| marina | a small harbor where small boats can dock |
| maritime | on or near the sea |
| hydr/aqua/aqu | water |
| mar/mer | sea |