n. The act of asperating; a making or becoming rough. Bailey. [ 1913 Webster ]

n. The act of attempering or regulating. [ Archaic ] Bacon. [ 1913 Webster ]

n. 1. The act of tempering or moderating. [ Obs. ] Sir T. Browne. [ 1913 Webster ]

2. Proportionate mixture or combination. “Contemperation of light and shade.” Boyle. [ 1913 Webster ]

n. [ L. cooperatio: cf. F. coopération. ] 1. The act of cooperating, or of operating together to one end; joint operation; concurrent effort or labor. [ 1913 Webster ]

Not holpen by the cooperation of angels. Bacon. [ 1913 Webster ]

2. (Polit. Econ.) The association of a number of persons for their benefit. [ 1913 Webster ]

a. Operating jointly to the same end. [ 1913 Webster ]

Cooperative 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. --
Cooperative store, a store established by a cooperative society, where the members make their purchases and share in the profits or losses. [ 1913 Webster ]

n. [ L. desperatio: cf. OF. desperation. ] 1. The act of despairing or becoming desperate; a giving up of hope. [ 1913 Webster ]

This desperation of success chills all our industry. Hammond. [ 1913 Webster ]

2. A state of despair, or utter hopeless; abandonment of hope; extreme recklessness; reckless fury. [ 1913 Webster ]

In the desperation of the moment, the officers even tried to cut their way through with their swords. W. Irving. [ 1913 Webster ]

adj. 1. extremely annoying or displeasing.
Syn. -- annoying, infuriating, maddening, vexing. [ WordNet 1.5 ]

2. same as exacerbating.
Syn. -- aggravating, exacerbating. [ WordNet 1.5 ]

n. [ L. exasperatio: cf. F. exaspération. ] 1. The act of exasperating or the state of being exasperated; irritation; keen or bitter anger. [ 1913 Webster ]

Extorted from him by the exasperation of his spirits. South. [ 1913 Webster ]

2. Increase of violence or malignity; aggravation; exacerbation. “Exasperation of the fits.” Sir H. Wotton. [ 1913 Webster ]

n. [ See Exurgent. ] The act of rising or coming into view. [ Obs. ] Baxter. [ 1913 Webster ]

a. (Gram.) Of or pertaining to the imperative mood. [ 1913 Webster ]

a. [ L. imperativus, fr. imperare to command; pref. im- in + parare to make ready, prepare: cf. F. impératif. See Perade, and cf. Empire. ] 1. Expressive of command; containing positive command; authoritatively or absolutely directive; commanding; authoritative; as, imperative orders. [ 1913 Webster ]

The suit of kings are imperative. Bp. Hall. [ 1913 Webster ]

2. Not to be avoided or evaded; obligatory; binding; compulsory; as, an imperative duty or order. [ 1913 Webster ]

3. (Gram.) Expressive of command, entreaty, advice, or exhortation; as, the imperative mood. [ 1913 Webster ]

n. (Gram.) The imperative mood; also, a verb in the imperative mood. [ 1913 Webster ]

adv. In an imperative manner. [ 1913 Webster ]

n. [ L. improperare, improperatum, to taunt. ] The act of upbraiding or taunting; a reproach; a taunt. [ Obs. ] [ 1913 Webster ]

Improperatios and terms of scurrility. Sir T. Browne [ 1913 Webster ]

n. [ L. inoperari to effect; pref. in- in + operari to operate. ] Agency; influence; production of effects. [ Obs. ] Bp. Hall. [ 1913 Webster ]

a. [ Pref. in- not + operative. ] Not operative; not active; producing no effects; as, laws renderd inoperative by neglect; inoperative remedies or processes.

{ } a. Of or pertaining to the opera or to operas; characteristic of, suitable for, or resembling, the opera; as, an operatic voice. [ 1913 Webster +PJC ]

adj. 1. pr. p. of operate; as, the operating conditions of the oxidation pond. [ WordNet 1.5 ]

2. having an effect or influence.
Syn. -- at work(predicate), in operation, operant. [ WordNet 1.5 ]

n. [ L. operatio: cf. F. opération. ] 1. The act or process of operating; agency; the exertion of power, physical, mechanical, or moral. [ 1913 Webster ]

The pain and sickness caused by manna are the effects of its operation on the stomach. Locke. [ 1913 Webster ]

Speculative painting, without the assistance of manual operation, can never attain to perfection. Dryden. [ 1913 Webster ]

2. The method of working; mode of action. [ 1913 Webster ]

3. That which is operated or accomplished; an effect brought about in accordance with a definite plan; as, military or naval operations. [ 1913 Webster ]

4. Effect produced; influence. [ Obs. ] [ 1913 Webster ]

The bards . . . had great operation on the vulgar. Fuller. [ 1913 Webster ]

5. (Math.) Something to be done; some transformation to be made upon quantities or mathematical objects, the transformation being indicated either by rules or symbols. [ 1913 Webster ]

6. (Surg.) Any methodical action of the hand, or of the hand with instruments, on the human body, to produce a curative or remedial effect, as in amputation, etc. [ 1913 Webster ]

Calculus of operations. See under Calculus. [ 1913 Webster ]

adj. 1. of or pertaining to operations; as, operational procedure. [ WordNet 1.5 ]

2. Fit or ready for service; available and in working condition; as, an operational aircraft. Opposite of out-of-service.
Syn. -- functional, usable, useable, in order(predicate), in working order(predicate), operable. [ WordNet 1.5 ]

3. (Mil.) of or intended for or involved in military operations. Opposite of nonoperational. [ WordNet 1.5 ]

4. In force; not expired or annulled; -- of rules or laws. [ WordNet 1.5 ]

de facto apartheid still operational even in the `new' African nations Leslie Marmon Silko [ WordNet 1.5 ]

n. (Philos.) the doctrine that the meaning of a proposition consists of the operations involved in defining, proving, or applying it. [ WordNet 1.5 ]

adj. (Philos.) Of or pertaining to operationalism. operationalist doctrine [ WordNet 1.5 ]

n. (Finance) financial transactions at a brokerage; having to do with the execution of trades and keeping customer records.
Syn. -- trading operations. [ WordNet 1.5 ]

a. [ Cf.L. operativus, F. opératif. ] 1. Having the power of acting; hence, exerting force, physical or moral; active in the production of effects; as, an operative motive; operative laws. [ 1913 Webster ]

It holds in all operative principles. South. [ 1913 Webster ]

2. Producing the appropriate or designed effect; efficacious; effective; as, an operative dose, rule, or penalty. [ 1913 Webster ]

3. (Surg.) Based upon, or consisting of, an operation or operations; as, operative surgery. [ 1913 Webster ]

n. 1. A skilled worker; an artisan; esp., one who operates a machine in a mill or manufactory. [ 1913 Webster ]

2. One who acts as an agent of another, especially a detective or spy. [ PJC ]

adv. In an operative manner. [ 1913 Webster ]

n. [ L. properatio. ] The act of hastening; haste. [ Obs. ] T. Adams. [ 1913 Webster ]

n. [ L. recuperatio: cf. F. récupération. ] Recovery, as of anything lost, especially of the health or strength. [ 1913 Webster ]

{ } a. [ L. recuperativus, recuperatorius. ] Of or pertaining to recuperation; tending to recovery. [ 1913 Webster ]

a. [ Cf. L. temperativus soothing. ] Having power to temper. [ R. ] T. Granger. [ 1913 Webster ]

a. Producing no effect; inoperative. [ Obs. ] South. [ 1913 Webster ]

n. [ L. vituperatio: cf. OF. vituperation. See Vituperate. ] The act of vituperating; abuse; severe censure; blame. [ 1913 Webster ]

When a man becomes untractable and inaccessible by fierceness and pride, then vituperation comes upon him. Donne. [ 1913 Webster ]

a. Uttering or writing censure; containing, or characterized by, abuse; scolding; abusive. -- Vi*tu"per*a*tive*ly, adv. [1913 Webster]

Vituperative appellations derived from their real or supposed ill qualities. B. Jonson. [1913 Webster]