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The act of adulterating; corruption, or debasement (esp. of food or drink) by foreign mixture. The shameless adulteration of the coin. Prescott.

A faint sketch; an outline; an imperfect portrayal or representation of a thing. Elegant adumbrations of sacred truth. Bp. Horsley.

A uniting; union. Jer. Taylor.

Cauterization. Buchanan.

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

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

A rolling toward something. [R.]

right of presenting to a vacant benefice or living in the church. [Originally, the relation of a patron (advocatus) or protector of a benefice, and thus privileged to nominate or present to it.]

Same as Egophony.

A period of immeasurable duration; also, an emanation of the Deity. See Eon.

Eternal; everlasting. "Æonian hills." Tennyson.

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.

The science of gliding and soaring flight.

A dirigible balloon.

An aërial navigator; a balloonist.

Pertaining to aëronautics, or aërial sailing.

The science or art of ascending and sailing in the air, as by means of a balloon; aërial navigation; ballooning.

A power-driven, heavier-than-air flying machine.

An instrument, proposed by Edison, for greatly intensifying speech. It consists of a phonograph diaphragm so arranged that its action opens and closes valves, producing synchronous air blasts sufficient to operate a larger diaphragm with greater amplitude of vibration.