aqua-, aquatic-, aqui-, aqu-, -aquatically, aque-, -aqueous +

Function: trademark; used for a preparation of metrizoate sodium.

Located around the cerebral aqueduct (channel in the brain which connects the third ventricle to the fourth ventricle); usually in reference to periaqueductal grey (region of grey matter in the brain), or some other part of the anatomy.

Not aquatic but indigenous to moist regions.

1. Partially aquatic; living or growing partly on land and partly in water.
2. Having an aquatic early or larval form and a terrestrial adult form.
3. Adapted for living or growing in or near water; not entirely aquatic: "They were looking for semiaquatic plants and animals."

1. A waste pipe that carries away sewage or surface water.
2. An artificial conduit, usually underground, for carrying off waste water and refuse, as in a town or city.
3. Someone who sews: "She was a sewer of fine gowns."
4. Misfortune resulting in lost effort or money: "All that work went right down the sewer."
5. Etymology: "conduit" from about 1402; from Anglo-French sewere, Old Norse French sewiere, "sluice from a pond"; literally, "something that makes water flow", from aphetic form (alteration of a word by loss of a short, unaccented vowel at the beginning) of Gallo-Romance exaquaria; from Latin ex-, "out" + aquaria, feminine of aquarius, "referring to water" from aqua, "water".

1. A waste pipe that carries away sewage or surface water.
2. Waste matter, or materials, carried away in sewers or drains.

1. Partially aquatic; living or growing partly on land and partly in water: "A marginal subaquatic flora."
2. Growing or remaining under water.
3. Being under water, or beneath the surface of water; adapted for use under water; such as, a submarine or a subaqueous helmet.
4. Formed in or under water; such as, "subaqueous deposits".
5. The practice of going underwater with or without breathing apparatus.

When done for sport, this is sometimes called subaquatics. There are different kinds of underwater diving.

• Snorkeling and free diving: swimming underwater without a breathing apparatus. An apparatus used by swimmers and skin divers, consisting of a long tube held in the mouth.
• Scuba diving and surface supplied diving: swimming or walking underwater with a breathing apparatus.

1. Formed or adapted for underwater use or operation; submarine.
2. Found or occurring underwater: subaqueous organisms; subaqueous rocks.
3. Existing or situated under water; used underwater.

Consisting of land and water; as, the earth is a terraqueous globe.

This reference is given as a description of the earth's surface, of which more than three fifths consist of water, and the remainder of earth or solid materials.

1. Crossing or extending across water.
2. Interlinking or reaching across water.