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Added extrinsically; not essentially inherent; accidental or causal; additional; supervenient; foreign. To things of great dimensions, if we annex an adventitious idea of terror, they become without comparison greater. Burke.

Hostile. [R.] Southey.

Having opposite leaves, as plants which have the leaves so arranged on the stem.

A turning towards; attention. [Obs.] Dr. H. More.

ding; plea; advocacy. [Archaic] The holy Jesus . . . sits in heaven in a perpetual advocation for us. Jer. Taylor.

A rolling toward something. [R.]

Exposure to the free action of the air; airing; as, aëration of soil, of spawn, etc.

The act of combining air with another substance, or the state of being filled with air.

Related to, or of the nature of, aërobies; as, aërobiotic plants, which live only when supplied with free oxygen.

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

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.

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

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

Same as Ethiops mineral. [Obs.]

thermometer. It is used for measuring changes of temperature produced by different conditions of the sky, as when clear or clouded.

Pertaining to ætiology; assigning a cause. -- Æ`ti*o*log"ic*al*ly, adv.

The science, doctrine, or demonstration of causes; esp., the investigation of the causes of any disease; the science of the origin and development of things.

ssume or exhibit what is not natural or real; false display; artificial show. "An affectation of contempt." Macaulay. Affectation is an awkward and forced imitation of what should be genuine and easy, wanting the beauty that accompanies what is natural what is natural. Locke.

One who exhibits affectation. [R.] Fitzed. Hall.

An attribute; a quality or property; a condition; a bodily state; as, figure, weight, etc. , are affections of bodies. "The affections of quantity." Boyle. And, truly, waking dreams were, more or less, An old and strange affection of the house. Tennyson.