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Of or pertaining to the mouth and the stomach; as, the stomatogastric ganglion of certain Mollusca.

A pretender or quack in theology. [R.] Burton.

Having three bellies; -- said of a muscle. Dunglison.

Having the properties exhibited by gases under very low pressures (one millionth of an atmosphere or less). Matter under this condition, which has been termed the fourth state of matter, is sometimes called radiant matter.

Behind the stomach; -- said of two lobes of the carapace of certain crustaceans.

An endemic disease occurring in the Andes in Peru, characterized by warty tumors which ulcerate and bleed. It is probably due to a special bacillus, and is often fatal.

See under Gas.

the mouth in a radiate animal; -- opposed to actinal. "The aboral or abactinal area." L. Agassiz.

To take up by cohesive, chemical, or any molecular action, as when charcoal absorbs gases. So heat, light, and electricity are absorbed or taken up in the substances into which they pass. Nichol. p. 8

A gaseous compound of carbon and hydrogen, in the proportion of two atoms of the former to two of the latter. It is a colorless gas, with a peculiar, unpleasant odor, and is produced for use as an illuminating gas in a number of ways, but chiefly by the action of water on calcium carbide. Its light is very brilliant. W…

Not possessing a mantle; -- said of certain gastropods.

Pertaining to the part of a radiate animal which contains the mouth. L. Agassiz.

organism; the performance of a function; as, the action of the heart, the muscles, or the gastric juice.

A gigantic bird found fossil in Madagascar.

To combine or charge with gas; usually with carbonic acid gas, formerly called fixed air. His sparkling sallies bubbled up as from aërated natural fountains. Carlyle.

The act or preparation of charging with carbonic acid gas or with oxygen.

That which supplies with air; esp. an apparatus used for charging mineral waters with gas and in making soda water.

Having the form or nature of air, or of an elastic fluid; gaseous. Hence fig.: Unreal.

The science which treats of the air and other gaseous bodies under the action of force, and of their mechanical effects.

An instrument for ascertaining the weight or density of air and gases.