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ruce. By deputation, or In deputation, by delegated authority; as substitute; through the medium of a deputy. [Obs.] Say to great Cæsar this: In deputation I kiss his conquering hand. Shak.

ilosophy which treats of the properties of sound as affected by passing through different mediums; -- called also diaphonics. See the Note under Acoustics.

The instrument or medium used to effect chemical dialysis.

Any substance or medium that transmits the electric force by a process different from conduction, as in the phenomena of induction; a nonconductor. separating a body electrified by induction, from the electrifying body.

ome diffused; tendency, as of heat, to become equalized by spreading through a conducting medium.

eometrical optics which treats of the laws of the refraction of light in passing from one medium into another, or through different mediums, as air, water, or glass, and esp. through different lenses; -- distinguished from catoptrics, which refers to reflected light.

ight, the light produced by a current of electricity which in passing through a resisting medium heats it to incandescence or burns it. See under Carbon. -- Electric, or Electrical, machine, an apparatus for generating, collecting, or exciting, electricity, as by friction. -- Electric motor. See Electro-motor,…

The path by which electricity is conveyed into or from a solution or other conducting medium; esp., the ends of the wires or conductors, leading from source of electricity, and terminating in the medium traversed by the current.

A medium of great elasticity and extreme tenuity, supposed to pervade all space, the interior of solid bodies not excepted, and to be the medium of transmission of light and heat; hence often called luminiferous ether.

An inert or slightly active substance used in preparing remedies as a vehicle or medium of administration for the medicinal agents. Chambers.

To send by express messenger; to forward by special opportunity, or through the medium of an express; as, to express a package.

Not gross; subtile; thin; tenous. The eye standeth in the finer medium and the object in the grosser. Bacon.

A metallic element, constituting the most precious metal used as a common commercial medium of exchange. It has a characteristic yellow color, is one of the heaviest substances known (specific gravity 19.32), is soft, and very malleable and ductile. It is quite unalterable by heat, moisture, and most corrosive agents,…

Seeing everything through a medium which discolors or distorts. "Green-eyed jealousy." Shak.

A kind of plum of medium size, roundish shape, greenish flesh, and delicious flavor. It is called in France Reine Claude, after the queen of Francis I. See Gage.

Thick; dense; not attenuated; as, a gross medium.

animals, whose body temperature follows the variations in temperature of the surrounding medium.

nd an unusual activity of others. It is induced by an action upon the nerves, through the medium of the senses, as in persons of very feeble organization, by gazing steadly at a very bright object held before the eyes, or by pressure upon certain points of the surface of the body.

The relation of freedom from the interventionof a medium; immediateness. Shak.

To dissapear by entering into any medium, as a star into the light of the sun. [R.]