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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.

Sensuous perception. [R.] Ruskin.

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.

One versed in æsthetics.

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.

Of or belonging to the summer; as, æstival diseases. [Spelt also estival.]

To spend the summer.

The state of torpidity induced by the heat and dryness of summer, as in certain snails; -- opposed to hibernation.

See Estuary.

Glowing; agitated, as with heat.

Propagated in an unusual way; cryptogamous.

See Ether.

Same as Ethiops mineral. [Obs.]

A compound of nitrogen and boro

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.