air gas
91air embolism — gas bubble disease (supersaturated gases (>115 125%) in water entering the the body fluids of fish causing bubbles, an embolism. Often seen in gills, eyes, skin and yolk sacs where membranes are the most gas permeable. Fish often swim upside down …
92gas permeable lens — UK US noun [countable] [singular gas permeable lens plural gas permeable lenses] a type of contact lens (=a piece of plastic you wear on your eye so that you can see clearly) that allows air to reach your eye …
93Air sac — is an anatomical term with several meanings: * Pulmonary alveolus, informally known as an air sac, one of innumerable spherical outcroppings of the respiratory bronchioles in the mammalian lung, the secondary sites of gas exchange with the blood… …
94Air cylinder — can mean: *a gas cylinder used to store compressed air. *pneumatic cylinder, a mechanical device used to impart a force from a fluid, such as air …
95air bladder — n. a sac with air or gas in it, found in most fishes and in other animals and some plants: also air cell …
96air|ship — «AIR SHIHP», noun, verb, shipped, ship|ping. –n. 1. a balloon that can be steered; a dirigible. An airship is filled with a gas that is lighter than air, and is driven by propeller. 2. Obsolete. an airplane. –v.t. U.S. to ship by aircraft: »to… …
97air|tight — «AIR TYT», adjective. 1. so tight that no air or gas can get in or out. 2. Especially U.S. Informal, Figurative. having no weak points or loopholes open to attack: »an airtight alibi. The team had an airtight defense. SYNONYM(S): unassailable …
98gas chamber — gas ,chamber noun count a building or room where officials kill prisoners by filling the air with poison gas …
99air bladder — gas bladder, the preferable term since the composition of gases may not be identical to that of air (a thin membranous, sometimes alveolated sac in the dorsal portion of the abdominal cavity. Composed of three layers, the tunica externa, the… …
100air sac — gas bladder, a thin membranous, sometimes alveolated sac in the dorsal portion of the abdominal cavity. Contains a varying mixture of gases, not identical to the composition of air. May be one, two or three chambered. May be connected to the gut… …
