n. One who ameliorates. [ 1913 Webster ]

n. [ L., fr. arbor tree. ] One who plants or who prunes trees. [ Obs. ] Evelyn. [ 1913 Webster ]

n. [ L. collaborare to labor together; col- + laborare to labor: cf. F. collaborateur. ] 1. An associate in labor, especially in literary or scientific labor. [ 1913 Webster ]

2. one who willingly cooperates with an enemy, especially an enemy nation occupying one's own country. [ PJC ]

n. [ L. ] One who commemorates. [ 1913 Webster ]

a. Serving to commemorate; commemorative. Bp. Hooper. [ 1913 Webster ]

n. A member of a corporation, esp. one of the original members. [ 1913 Webster ]

a. Tending to strengthen; corroborative; as, corroboratory facts. [ 1913 Webster ]

n. [ Cf. F. décorateur. ] One who decorates, adorns, or embellishes; specifically, an artisan whose business is the decoration of houses, esp. their interior decoration. [ 1913 Webster ]

n. A contrivance used to supply small quantities of sweetened liquid, water, etc., to any mixture, or to test tubes, etc.; a dropping bottle. [ 1913 Webster ]

n. One who, or that which, elaborates. [ 1913 Webster ]

a. Tending to elaborate. [ 1913 Webster ]

n. A laboratory. [ Obs. ] [ 1913 Webster ]

n. 1. An apparatus for condensing vegetable juices, or for drying fruit by heat. [ 1913 Webster ]

2. Any device designed to evaporate a fluid. [ PJC ]

3. Specifically: The portion of a refrigeration system in which the refrigerant evaporates and thus absorbs heat. [ PJC ]

rotary evaporator (Chem.) a device used in laboratories in which a liquid is evaporated by reducing the pressure and applying heat, while rotating the liquid in a vessel such as a round-bottomed flask. The reduced pressure speeds the evaporation process and allows the evaporation to be conducted at temperatures lower than would otgherwise be possible, thus reducing decomposition of unstable substances. The rotation also serves to increase the surface area from which evaporation takes place and to reduce the effect of "bumping", the sudden burst of vaporization that can scatter liquid exposed to reduced pressure. [ PJC ]

n. [ L. ] One who explores; one who examines closely; a searcher. [ 1913 Webster ]

a. [ L. exploratorius. ] Serving or intended to explore; searching; examining; explorative. Sir H. Wotton. [ 1913 Webster ]

n. One who implores. [ Obs. ] [ 1913 Webster ]

Mere implorators of unholy suits. Shak. [ 1913 Webster ]

a. Supplicatory; entreating. [ R. ] Carlyle. [ 1913 Webster ]

n. One of a number of persons who gets a company incorporated; one of the original members of a corporation. [ 1913 Webster ]

n.; pl. Laboratories [ Shortened fr. elaboratory; cf. OF. elaboratoire, F. laboratoire. See Elaborate, Labor. ] [ Formerly written also elaboratory. ] 1. The workroom of a chemist; also, a place devoted to experiments in any branch of natural science; as, a chemical, physical, or biological laboratory. Hence, by extension, a place where something is prepared, or some operation is performed; as, the liver is the laboratory of the bile. [ 1913 Webster ]

2. Hence: Any place, activity or situation suggestive of a scientific laboratory{ 1 }, especially in being conducive to learning new facts by experimentation or by systematic observation; as, the states serve as laboratories where different new policies may be tested prior to adoption throughout the country. [ PJC ]

n. One who meliorates. [ 1913 Webster ]

‖n. [ NL. See Moratory. ] 1. (Law) A period during which an obligor has a legal right to delay meeting an obligation, esp. such a period granted, as to a bank, by a moratory law. [ Webster 1913 Suppl. ]

2. a suspension of an activity. [ PJC ]

3. an officially authorized period of delay or waiting; as, a moratorium on putting a law into effect. [ PJC ]

a. [ L. moratorius delaying, fr. morari to delay. ] Of or pertaining to delay; esp., designating a law passed, as in a time of financial panic, to postpone or delay for a period the time at which notes, bills of exchange, and other obligations, shall mature or become due. [ Webster 1913 Suppl. ]

adj. not exploratory. Opposite of exploratory.
Syn. -- nonexplorative, unexploratory, unexplorative. [ WordNet 1.5 ]

n. [ L., fr. orare to speak, utter. See Oration. ] 1. A public speaker; one who delivers an oration; especially, one distinguished for his skill and power as a public speaker; one who is eloquent. [ 1913 Webster ]

I am no orator, as Brutus is. Shak. [ 1913 Webster ]

Some orator renowned
In Athens or free Rome. Milton. [ 1913 Webster ]

2. (Law) (a) In equity proceedings, one who prays for relief; a petitioner. (b) A plaintiff, or complainant, in a bill in chancery. Burrill. [ 1913 Webster ]

3. (Eng. Universities) An officer who is the voice of the university upon all public occasions, who writes, reads, and records all letters of a public nature, presents, with an appropriate address, those persons on whom honorary degrees are to be conferred, and performs other like duties; -- called also public orator. [ 1913 Webster ]

a. Oratorical. [ R. ] Swift. --Or`a*to"ri*al*ly, adv. [1913 Webster]

a. Oratorical. [ Obs. ] R. North. [ 1913 Webster ]

n. [ Cf. F. oratorien. ] (R. C. Ch.) See Fathers of the Oratory, under Oratory. [ 1913 Webster ]

a. Of or pertaining to an orator or to oratory; characterized by oratory; rhetorical; becoming to an orator; as, an oratorical triumph; an oratorical essay. -- Or`a*tor"ic*al*ly, adv. [1913 Webster]

n. [ It., fr. L. oratorius belonging to praying. See Orator, and cf. Oratory. ] [ 1913 Webster ]

1. (Mus.) A more or less dramatic text or poem, founded on some Scripture nerrative, or great divine event, elaborately set to music, in recitative, arias, grand choruses, etc., to be sung with an orchestral accompaniment, but without action, scenery, or costume, although the oratorio grew out of the Mysteries and the Miracle and Passion plays, which were acted. [ 1913 Webster ]

☞ There are instances of secular and mythological subjects treated in the form of the oratorios, and called oratorios by their composers; as Haydn's “Seasons, ” Handel's “Semele, ” etc. [ 1913 Webster ]

2. Performance or rendering of such a composition. [ 1913 Webster ]

a. [ LL. oratorius. ] Oratorical. [ Obs. ] Jer. Taylor. -- Or`a*to"ri*ous*ly, adv. [Obs.] [1913 Webster]

v. i. To play the orator. [ Jocose or derisive ] Dickens. [ 1913 Webster ]

n.; pl. Oratories [ OE. oratorie, fr. L. oratorium, fr. oratorius of praying, of an orator: cf. F. oratoire. See Orator, Oral, and cf. Oratorio. ] A place of orisons, or prayer; especially, a chapel or small room set apart for private devotions. [ 1913 Webster ]

An oratory [ temple ] . . . in worship of Dian. Chaucer. [ 1913 Webster ]

Do not omit thy prayers for want of a good oratory, or place to pray in. Jer. Taylor. [ 1913 Webster ]

Fathers of the Oratory (R. C. Ch.), a society of priests founded by St. Philip Neri, living in community, and not bound by a special vow. The members are called also oratorians. [ 1913 Webster ]

n. [ L. oratoria (sc. ars) the oratorical art. ] The art of an orator; the art of public speaking in an eloquent or effective manner; the exercise of rhetorical skill in oral discourse; eloquence. “The oratory of Greece and Rome.” Milton. [ 1913 Webster ]

When a world of men
Could not prevail with all their oratory. Shak. [ 1913 Webster ]

n. [ Cf. F. perforateur. ] One who, or that which, perforates; esp., a cephalotome. [ 1913 Webster ]

n. A restaurateur. [ 1913 Webster ]

a. Restorative. [ R. ] [ 1913 Webster ]