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A balloon.

Of or pertaining to aërostatics; pneumatic.

The science that treats of the equilibrium of elastic fluids, or that of bodies sustained in them. Hence it includes aëronautics.

The science of weighing air; aërostatics. [Obs.]

An instrument consisting in part of a differential thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded.

With feeling.

Hindmost; -- opposed to foremost.

Nearest the stern.

In heaps; full of heaps.

Without tongue; tongueless.

Professing ignorance; involving no dogmatic; pertaining to or involving agnosticism. -- Ag*nos"tic*al*ly, adv.

the insufficiency of the evidence furnished by physical and physical data, to warrant a positive conclusion (as taught by the school of Herbert Spencer); -- opposed alike dogmatic skepticism and to dogmatic theism.

sses, including species called in common language bent grass. Some of them, as redtop (Agrostis vulgaris), are valuable pasture grasses.

Pertaining to agrostography.

A description of the grasses.

Pertaining to agrostology.

One skilled in agrostology.

That part of botany which treats of the grasses.

A web-footed bird, of the genus Diomedea, of which there are several species. They are the largest of sea birds, capable of long- continued flight, and are often seen at great distances from the land. They are found chiefly in the southern hemisphere.

A diffusible substance formed from albumin by the action of natural or artificial gastric juice. See Peptone.