Množina: aquas

1 plural aquae; water; especially; water
2 plural aquas; a light greenish-blue color

Množina: aqua fortis

(Latin) obsolete, nitric acid. aquafortis, aqua-fortis

Množina: aqua libras

Množina: aqua mirabilis

Množina: aqua vitaes

(Latin) “water of life”; strong spirits.
Strong distilled liquor or brandy; SYN. ardent spirits. aquavitae, aqua-vitae
A strong alcoholic liquor (as brandy).

Množina: Aqua-Lungs

Or scuba; Underwater breathing apparatus worn by divers, developed in the early 1940s by French diver Jacques Cousteau. Compressed-air cylinders strapped to the diver's back are regulated by a valve system and by a mouth tube to provide air to the diver at the same pressure as that of the surrounding water (which increases with the depth).
Lets divers breathe under water; scuba is acronym for Self Contained Underwater Breathing Apparatus; SYN. scuba.
Aqualung

Množina: aquacades

A water spectacle that consists usually of exhibitions of swimming and diving with musical accompaniment.

Množina: aquacultures

The cultivation of fish and shellfish for human consumption; see fish farming.