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Capable of being reversed; as, a chair or seat having a reversible back; a reversible judgment or sentence.

being reversed or turned about or back; incapable of being made to run backward; as, an irreversible engine.

A steering gear, esp. for an automobile, not affected by the road wheels, as when they strike an obstacle side ways, but easily controlled by the hand wheel or steering lever.

The state or quality of being irreversible.

ri Pieper, a Belgian) of driving automobiles employing a gasoline engine and an auxiliary reversible dynamo. When there is an excess of power the dynamo is driven by the engine so as to charge a small storage battery; when there is a deficiency of power the dynamo reverses and acts as an auxiliary motor. Sometimes call…

The state or quality of being irreversible; irreversibleness.

In an irreversible manner.

Incapable of being recalled or revoked; unchangeable; irreversible; unalterable; as, an irrevocable promise or decree; irrevocable fate. Firm and irrevocable is my doom. Shak. -- Ir*rev"o*ca*ble*ness, n. -- Ir*rev"o*ca*bly, adv.

oth, a fabric having both sides dressed, the sides being of different colors, -- used for reversible garments.

- Process milling, the process of high milling for grinding flour. See under Milling. -- Reversible process (Thermodynamics), any process consisting of a cycle of operations such that the different operations of the cycle can be performed in reverse order with a reversal of their effects.

Irreversible. [R.] A. SEward.

The quality of being reversible. Tyndall.

In a reversible manner.

t. -- Swing plow, or Swing plough. (a) A plow without a fore wheel under the beam. (b) A reversible or sidehill plow. -- Swing wheel. (a) The scape-wheel in a clock, which drives the pendulum. (b) The balance of a watch.