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A simple or compound principle, whose presence is necessary to produce acidity, as oxygen, chlorine, bromine, iodine, etc.

Resembling the Acinetæ.

he title whereby a man, on the death of his ancestor, acquires his estate, by right of representation, as his heir at law. Blackstone.

The use of a picture symbol of an object to represent phonetically the initial sound of the name of the object.

The use of a picture symbol of an object to represent phonetically the initial sound of the name of the object.

To perform, as an actor; to represent dramatically on the stage.

An animal of the class Anthozoa, and family Actinidæ. From a resemblance to flowers in form and color, they are often called animal flowers and sea anemones. [See Polyp.].

A chronic infectious disease of cattle and man due to the presence of Actinomyces bovis. It causes local suppurating tumors, esp. about the jaw. Called also lumpy jaw or big jaw. -- Ac`ti*no*my*cot"ic (#), a.

In action at the time being; now exiting; present; as the actual situation of the country. Actual cautery. See under Cautery. -- Actual sin (Theol.), that kind of sin which is done by ourselves in contradistinction to "original sin."

Of or pertaining to Adam, or resembling him. Adamic earth, a name given to common red clay, from a notion that Adam means red earth.

A genus of ferns (Ophioglossum), whose seeds are produced on a spike resembling a serpent's tongue.

, etc., to speak to; to accost. Are not your orders to address the senate Addison. The representatives of the nation addressed the king. Swift.

One who held the real presence of Christ's body in the eucharist, but not by transubstantiation.

A small plane or surface, usually capable of adjustment but not of manipulation, for preserving lateral balance in an aëroplane or flying machine.

Declaration of the bishop that he approves of the presentee as a fit person to serve the cure of the church to which he is presented. Shipley.

of a foreign or a baser substance; as, to adulterate food, drink, drugs, coin, etc. The present war has . . . adulterated our tongue with strange words. Spectator.

Giving a faint shadow, or slight resemblance; shadowing forth.

To give a faint shadow or slight representation of; to outline; to shadow forth. Both in the vastness and the richness of the visible universe the invisible God is adumbrated. L. Taylor.

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

Faintly representing; typical. Carlyle.