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The house where operas are exhibited. Opéra bouffe Etym: [F. opéra opera + bouffe comic, It.buffo], Opera buffa Etym: [It.], light, farcical, burlesque opera. -- Opera box, a partially inclosed portion of the auditorium of an opera house for the use of a small private party. -- Opéra comique Etym: [F.], comic or humo…

Practicable. [Obs.]

An instrument or machine for measuring work done, especially for ascertaining the number of rotations made by a machine or wheel in manufacturing cloth; a counter. Ure.

The act of operating or working; operation. [R.]

The symbol, quantity, or thing upon which a mathematical operation is performed; -- called also faciend.

Operative. [R.] Shak. -- n.

uce effect on the mind; to exert moral power or influence. The virtues of private persons operate but on a few. Atterbury. A plain, convincing reason operates on the mind both of a learned and ignorant hearer as long as they live. Swift.

Of or pertaining to the opera or to operas; characteristic of, or resembling, the opera.

The act or process of operating; agency; the exertion of power, physical, mechanical, or moral. The pain and sickness caused by manna are the effects of its operation on the stomach. Locke. Speculative painting, without the assistance of manual operation, can never attain to perfection. Dryden.

ng; hence, exerting force, physical or moral; active in the production of effects; as, an operative motive. It holds in all operative principles. South.

In an operative manner.

One who, or that which, operates or produces an effect.

A laboratory. [Obs.]

Work done by a cooper.

Operating together; as, coöperant forces.

To act or operate jointly with another or others; to concur in action, effort, or effect. Whate'er coöperates to the common mirth. Crashaw.

The act of coöperating, or of operating together to one end; joint operation; concurrent effort or labor. Not holpen by the coöperation of angels. Bacon.

Operating jointly to the same end. Coöperative society, a society established on the principle of a joint-stock association, for the production of commodities, or their purchase and distribution for consumption, or for the borrowing and lending of capital among its members. -- Coöperative store, a store established by…

One who labors jointly with others to promote the same end. "Coöperators with the truth." Boyle.

The act of upbraiding or taunting; a reproach; a taunt. [Obs.] Improperatios and terms of scurrility. Sir T. Browne