| OPRT | orotate phosphoribosyltransferase |
|---|---|
| OPRTase | orotate phosphoribosyltransferase |
| OPS | operations; optical position sensor; osteoporosis-pseudolipoma syndrome; outpatient service; outpatient surgery |
| OPSA | ovarian papillary serous adenocarcinoma |
| OpScan | optical scanning |
| OPSI | overwhelming postsplenectomy infection |
| OPSR | Office of Professional Standards Review |
| OPT | outpatient; outpatient treatment |
| opt | best [Lat. optimus]; optics, optician |
| OPTHD | optimal hemodialysis |
| OPIDN | organophosphorous compound-induced delayed neurotoxicity |
|---|---|
| OPIDN | organophosphorus induced delayed neurotoxicity |
| OPIDP | Organophosphate induced delayed polyneuropathy |
| oPL | Ovine placental lactogen |
| OPL | outer plexiform layer |
| OPLL | of the Posterior longitudinal ligament |
| OPM | of Personnel Management |
| OPMD | Oculopharyngeal muscular dystrophy |
| OpMNPV | Orgyia pseudotsugata multicapsid nuclear polyhedrosis virus |
| OpMNPV | Orgyia pseudotsugata multinucleocapsid nuclear polyhedrosis virus |
| opening to cerebral aqueduct | Entrance to the cerebral aqueduct (of Sylvius) from the caudal part of the third ventricle. Synonym: aditus ad aqueductum cerebri, Bartholin's anus, opening to cerebral aqueduct. (05 Mar 2000) |
|---|---|
| openings of pulmonary veins | The orifices of the pulmonary veins, usually two on each side, in the wall of the left atrium. Synonym: ostia venarum pulmonalium. (05 Mar 2000) |
| openm | 1. To make or set open; to render free of access; to unclose; to unbar; to unlock; to remove any fastening or covering from; as, to open a door; to open a box; to open a room; to open a letter. "And all the windows of my heart I open to the day." (Whittier) 2. To spread; to expand; as, to open the hand. 3. To disclose; to reveal; to interpret; to explain. "The king opened himself to some of his council, that he was sorry for the earl's death." (Bacon) "Unto thee have I opened my cause." (Jer. Xx. 12) "While he opened to us the Scriptures." (Luke xxiv. 32) 4. To make known; to discover; also, to render available or accessible for settlements, trade, etc. "The English did adventure far for to open the North parts of America." (Abp. Abbot) 5. To enter upon; to begin; as, to open a discussion; to open fire upon an enemy; to open trade, or correspondence; to open a case in court, or a meeting. 6. To loosen or make less compact; as, to open matted cotton by separating the fibres. To open one's mouth, to speak. To open up, to lay open; to discover; to disclose. "Poetry that had opened up so many delightful views into the character and condition of our "bold peasantry, their country's pride."" (Prof. Wilson) Origin: AS. Openian. See Open,a. Source: Websters Dictionary (01 Mar 1998) |
| openwork | 1. Anything so constructed or manufactured (in needlework, carpentry, metal work, etc) as to show openings through its substance; work that is perforated or pierced. 2. <chemical> A quarry; an open cut. Source: Websters Dictionary (01 Mar 1998) |
| opera | 1. A drama, either tragic or comic, of which music forms an essential part; a drama wholly or mostly sung, consisting of recitative, arials, choruses, duets, trios, etc, with orchestral accompaniment, preludes, and interludes, together with appropriate costumes, scenery, and action; a lyric drama. 2. The score of a musical drama, either written or in print; a play set to music. 3. The house where operas are exhibited. Opera bouffe [F. Opera opera + bouffe comic, It.buffo], Opera buffa [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. Opera comique [F], comic or humorous opera. Opera flannel, a light flannel, highly finished. <botany> Opera girl, an East Indian plant (Mantisia saltatoria) of the Ginger family, sometimes seen in hothouses. It has curious flowers which have some resemblance to a ballet dancer, whence the popular name. Called also dancing girls. Opera glass, a short telescope with concave eye lenses of low power, usually made double, that is, with a tube and set of glasses for each eye; a lorgnette; so called because adapted for use at the opera, theater, etc. Opera hat, a gentleman's folding hat. Opera house, specifically, a theater devoted to the performance of operas. Opera seria [It], serious or tragic opera; grand opera. Origin: It, fr. Opera work, composition, opposed to an improvisation, fr. L. Opera pains work, fr. Opus, operis, work, labour: cf. F. Opera. See Operate. Source: Websters Dictionary (01 Mar 1998) |
| opera citato | In the work cited, used to avoid the repetition of part of a bibliographic reference already given. (09 Jan 1998) |
| opera-glass hand | A deformity of the hand seen in chronic absorptive arthritis, the fingers and wrists being shortened and the covering skin wrinkled into transverse folds; the phalanges appear to be retracted into one another like an opera glass or miniature telescope. Synonym: main en lorgnette. (05 Mar 2000) |
| operable | Denoting a patient or condition on which a surgical procedure can be performed with a reasonable expectation of cure or relief. (05 Mar 2000) |
| operand | <mathematics> The symbol, quantity, or thing upon which a mathematical operation is performed. Synonym: faciend. Origin: From neuter of L. Operandus, gerundive of operari. See Operate. Source: Websters Dictionary (01 Mar 1998) |
| operant | In conditioning, any behaviour or specific response chosen by the experimenter; its frequency is intended to increase or decrease by the judicious pairing with it of a reinforcer when it occurs. Synonym: target behaviour, target response. (05 Mar 2000) |
| operant behaviour | The behaviour whose continuation and frequency is determined by its consequences on the doer; central element of behavioural conditioning theory. See: conditioning. (05 Mar 2000) |
| operant conditioning | A type of conditioning developed by Skinner in which an experimenter waits for the target response (head scratching) to be conditioned to occur (emitted) spontaneously, immediately after which the organism is given a reinforcer reward; after this procedure is repeated many times, the frequency of emission of the targeted response will have significantly increased over its pre-experiment base rate. See: schedules of reinforcement. Synonym: skinnerian conditioning. (05 Mar 2000) |
| operate | 1. To perform a work or labour; to exert power or strengh, physical or mechanical; to act. 2. <medicine> To produce an appropriate physical effect; to issue in the result designed by nature; especially, to take appropriate effect on the human system. 3. To act or produce 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) 4. <surgery> To perform some manual act upon a human body in a methodical manner, and usually with instruments, with a view to restore soundness or health, as in amputation, lithotomy, etc. 5. To deal in stocks or any commodity with a view to speculative profits. Origin: L. Operatus, p.p. Of operari to work, fr. Opus, operis, work, labour; akin to Skr. Apas, and also to G. Uben to exercise, OHG. Uoben, Icel. Fa. Cf. Inure, Manoeuvre, Ure. Source: Websters Dictionary (01 Mar 1998) |
| operating microscope | <instrument> A binocular microscope used to obtain good visualization of fine structures in the operating field; in the standing type of microscope, a motorised zoom lens system operated by hand or foot controls provides an adjustable working distance; in headborne models, interchangeable oculars provide the magnification needed. Synonym: operating microscope. (05 Mar 2000) |
| operating room information systems | Information systems, usually computer-assisted, designed to store, manipulate, and retrieve information for planning, organizing, directing, and controlling administrative activities associated with the provision and utilization of operating room services and facilities. (12 Dec 1998) |
Synonyms : Graefe's Disease, Ocular Myopathy of Von Graefe-Fuchs, Ophthalmoplegia, Progressive External, Progressive External Ophthalmoplegia, Disease, Graefe, Dystrophies, Ocular Muscular, Dystrophy, Ocular Muscular, External Ophthalmoplegia, Progressive
Synonyms : Funduscope, Ophthalmoscope
Synonyms : Ophthalmoscopies
Synonyms : Alkaloids, Opiate
Synonyms : Endogenous Opiates, Opiate Peptides, Opioid Peptide, Peptide, Opioid, Peptides, Opiate, Peptides, Opioid
| opacity |
the phenomenon of not permitting the passage of electromagnetic radiation incomprehensibility resulting from obscurity of meaning the quality of being opaque to a degree; the degree to which something reduces the passage of light
출처: wordnet.princeton.edu/perl/webwn
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| ophthalmologist |
a medical doctor specializing in the treatment of diseases of the eye
출처: wordnet.princeton.edu/perl/webwn
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| opalescent |
iridescent: having a play of lustrous rainbow-like colors; "an iridescent oil slick"; "nacreous (or pearlescent) clouds looking like mother-of-pearl"; "a milky opalescent (or opaline) luster"
출처: wordnet.princeton.edu/perl/webwn
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| opaque |
not clear; not transmitting or reflecting light or radiant energy; "opaque windows of the jail"; "opaque to X-rays" not clearly understood or expressed
출처: wordnet.princeton.edu/perl/webwn
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| ophthalmology |
the branch of medicine concerned with the eye and its diseases
출처: wordnet.princeton.edu/perl/webwn
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| OP | openly straightforward and direct without reserve or secretiveness |
|---|---|
| OP | lax in enforcing laws |
| OP | without undue constriction as from e.g. tenseness or inhibition |
| OP | affording free passage or view |
| OP | affording unobstructed entrance and exit |
| OP | affording free passage or access |
| OP | used of mouth or eyes |
| OP | having no protecting cover or enclosure |
| OP | (music) used of string or hole or pipe of instruments |
| OP | (mathematics) of a set |
| OP | open and observable |
| OP | open to or in view of all |
