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The observation of the state and variations of the atmosphere.

Of the nature of, or like, copper; brassy. [R.]

A mass of meteoric iron.

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.

Aërial navigation; the art of raising and guiding balloons in the air.

Treatment of disease by the use of air or other gases.

A form of hydro-aëroplane; a flying boat.

Of the nature or color of verdigris, or the rust of copper.

The rust of any metal, esp. of brass or copper; verdigris.

The god of medicine. Hence, a physician.

Of or pertaining to Æsop, or in his manner.

Perception by the senses; feeling; -- the opposite of anæsthesia.

An instrument to measure the degree of sensation, by determining at how short a distance two impressions upon the skin can be distinguished, and thus to determine whether the condition of tactile sensibility is normal or altered.

Conveying sensory or afferent impulses; -- said of nerves.

One who makes much or overmuch of æsthetics. [Recent]

Of or Pertaining to æsthetics; versed in æsthetics; as, æsthetic studies, emotions, ideas, persons, etc. -- Æs*thet"ic*al*ly, adv.

The doctrine of æsthetics; æsthetic principles; devotion to the beautiful in nature and art. Lowell.

The theory or philosophy of taste; the science of the beautiful in nature and art; esp. that which treats of the expression and embodiment of beauty by art.

The science of sensation in relation to nervous action. H. Spenser.