| DC | daily census; data communication; data conversion; decrease; deep compartment; Dental Corps; deoxych... |
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| DD | dangerous drug; data definition; day of delivery; degenerated disc; degenerative disease; delusional... |
| DT | defibillation threshold; delirium tremens; dental technician; depression of transmission; dietetic [... |
| DBS | deep brain stimulation; Denis Browne splint; despeciated bovine serum; Diamond-Blackfan syndrome; di... |
| DLT | dihydroepiandrosterone loading test; double lung transplantation; double-lumen endotracheal tube |
| EOD | Electric Organ Discharge |
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| NHDS | National Hospital Discharge Survey |
| PLED | periodic lateralized epileptiform discharge |
| RFGD | Radio Frequency Glow Discharge |
| SR | Spontaneous discharge rate |
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| vaginal discharge | A common gynecologic disorder characterised by an abnormal, nonbloody discharge from the genital tract. (12 Dec 1998) |
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| patient discharge | The administrative process of discharging the patient, live or dead, from hospitals or other health facilities. (12 Dec 1998) |
| glow discharge | <radiobiology> Low-density, low-temperature plasma discharge (such as in a fluorescent light) which, well, glows. Sputtering in glow discharges is useful in plasma processing of materials. The voltage applied to the plasma must be greater than the ionisation potential of the gas used, most of the plasma voltage drop is near the cathode, where the majority of ionisation occurs. Discharge is sustained by secondary electrons emitted when ions or recombination radiation impact on the cathode, electrons are accelerated away from the cathode and ionize neutral gas in the discharge. (09 Oct 1997) |
| discharge | 1. To relieve of a charge, load, or burden; to empty of a load or cargo; to unburden; to unload; as, to discharge a vessel. 2. To free of the missile with which anything is charged or loaded; to let go the charge of; as, to discharge a bow, catapult, etc.; especially, said of firearms, to fire off; to shoot off; also, to relieve from a state of tension, as a Leyden jar. "The galleys also did oftentimes, out of their prows, discharge their great pieces against the city." (Knolles) "Feeling in other cases discharges itself in indirect muscular actions." (H. Spencer) 3. To of something weighing upon or impeding over one, as a debt, claim, obligation, responsibility, accusation, etc.; to absolve; to acquit; to clear. "Discharged of business, void of strife." (Dryden) "In one man's fault discharge another man of his duty." (L'Estrange) 4. To relieve of an office or employment; to send away from service; to dismiss. "Discharge the common sort With pay and thanks." (Shak) "Grindal . . . Was discharged the government of his see." (Milton) 5. To release legally from confinement; to set at liberty; as, to discharge a prisoner. 6. To put forth, or remove, as a charge or burden; to take out, as that with which anything is loaded or filled; as, to discharge a cargo. 7. To let fly, as a missile; to shoot. "They do discharge their shot of courtesy." (Shak) 8. To set aside; to annul; to dismiss. "We say such an order was "discharged on appeal."" (Mozley & W) "The order for Daly's attendance was discharged." (Macaulay) 9. To throw off the obligation of, as a duty or debt; to relieve one's self of, by fulfilling conditions, performing duty, trust, and the like; hence, to perform or exte, as an office, or part. "Had I a hundred tongues, a wit so large As could their hundred offices discharge." (Dryden) 10. To send away (a creditor) satisfied by payment; to pay one's debt or obligation to. "If he had The present money to discharge the Jew." (Shak) 11. To give forth; to emit or send out; as, a pipe discharges water; to let fly; to give expression to; to utter; as, to discharge a horrible oath. 12. To prohibit; to forbid. Discharging arch, a piece set to carry thrust or weight to a solid point of support. <physics> Discharging rod, a bent wire, with knobs at both ends, and insulated by a glass handle. It is employed for discharging a Leyden jar or an electrical battery. See Discharger. Synonym: See Deliver. Origin: OE. Deschargen, dischargen, OF. Deschargier, F. Decharger; pref. Des- (L. Dis) + chargier, F. Charger. See Charge. 1. The act of discharging; the act of relieving of a charge or load; removal of a load or burden; unloading; as, the discharge of a ship; discharge of a cargo. 2. Firing off; explosive removal of a charge; explosion; letting off; as, a discharge of arrows, of artillery. 3. Act of relieving of something which oppresses or weighs upon one, as an obligation, liability, debt, accusation, etc.; acquittance; as, the discharge of a debtor. 4. Act of removing, or getting rid of, an obligation, liability, etc.; fulfillment, as by the payment of a debt, or the performance of a trust or duty. "Indefatigable in the discharge of business." (Motley) "Nothing can absolve us from the discharge of those duties." (L'Estrange) 5. Release or dismissal from an office, employment, etc.; dismission; as, the discharge of a workman by his employer. 6. Legal release from confinement; liberation; as, the discharge of a prisoner. 7. The state of being discharged or relieved of a debt, obligation, office, and the like; acquittal. "Too secure of our discharge From penalty." (Milton) 8. That which discharges or releases from an obligation, liability, penalty, etc, as a price of ransom, a legal document. "Death, who sets all free, Hath paid his ransom now and full discharge." (Milton) 9. A flowing or issuing out; emission; vent; evacuation; also, that which is discharged or emitted; as, a rapid discharge of water from the pipe. "The hemorrhage being stopped, the next occurrence is a thin serous discharge." (S. Sharp) Charge and discharge. <physiology> The increased secretion from a gland resulting from the cutting of all of its nerves. Origin: Cf. F. Decharge. See Discharge. Source: Websters Dictionary (01 Mar 1998) |
| discharge of dredged material | Any addition of dredged material into the waters of the U.S. The term includes, without limitation, the addition of dredged material to a specified discharge site located in waters of the U.S. And the runoff or overflow from a contained land or water disposal area. Discharges of pollutants into waters of the U.S., resulting from the onshore subsequent processing of dredged material that is extracted from any commercial use (other than fill), are not included within this term and are subject to Section 402 of the CWA even though the extraction and deposit of such material may require a permit from the Corps of Engineers. The term does not include plowing, cultivating, seeding, and harvesting for the production of food, fibre, and forest products. The term does not include de minimis, incidental soil movement occurring during normal dredging operations. (09 Oct 1997) |
| discharge of fill material | The addition of fill material into waters of the U.S. The term generally includes, without limitation, the following activities: placement of fill that is necessary for the construction of any structure in a water of the U.S., the building of any structure or impoundment requiring rock, sand, dirt, or other material for its construction, site-development fills for recreational, industrial, commercial, residential, and other uses, causeways or road fills, dams and dikes, artificial islands, property protection and/or reclamation devices such as riprap, groins, seawalls, breakwaters, and revetments, beach nourishment, levees, fill for structures such as sewage treatment facilities, intake and outfall pipes associated with power plants and subaqueous utility lines, and artificial reefs. The term does not include plowing, cultivating, seeding, and harvesting for the production of food, fibre, and forest products. (09 Oct 1997) |
| electron cyclotron discharge cleaning | Using relatively low power microwaves (at the electron cyclotron frequency) to create a weakly ionised, essentially unconfined hydrogen plasma in the vacuum chamber. The ions react with impurities on the walls of the tokamak and help remove them from the chamber. For instance, Alcator C-mod typically applies electron cyclotron discharge cleaning for a few days prior to beginning a campaign, and a few hours before each day's run. (09 Oct 1997) |
| bufadienolides (two double bonds) | Bufatrienolides (three double bonds), etc; they have varying numbers of hydroxyl groups at positions 3, 5, 14, and 16, and these may be further substituted. For structure, see steroids. (05 Mar 2000) |
| bufenolides (one double bond) | (05 Mar 2000) |
| carbon-carbon double bond isomerases | <enzyme> Enzymes that catalyze the shifting of a carbon-carbon double bond from one position to another within the same molecule. Registry number: EC 5.3.3 (12 Dec 1998) |
| RNA, double-stranded | RNA consisting of two strands as opposed to the more prevalent single-stranded RNA. most of the double-stranded segments are formed from transcription of DNA by intramolecular base-pairing of inverted complementary sequences separated by a single-stranded loop. Some double-stranded segments of RNA are normal in all organisms. (12 Dec 1998) |
| conjugated double bonds | Two or more double bond separated by each single bond. (05 Mar 2000) |
| prospective, randomised, double-blind clinical trial | <statistics> A clinical trial in which the method for analysing data has been specified in the protocol before the study has begun (prospective), the patients have been randomly assigned to receive either the study drug or alternative treatment, and in which neither the patient nor the physician conducting the study know which treatment is being given to the patient. (13 Nov 1997) |
| double | 1. To increase by adding an equal number, quantity, length, value, or the like; multiply by two; to double a sum of money; to double a number, or length. "Double six thousand, and then treble that." (Shak) 2. To make of two thicknesses or folds by turning or bending together in the middle; to fold one part upon another part of; as, to double the leaf of a book, and the like; to clinch, as the fist; often followed by up; as, to double up a sheet of paper or cloth. "Then the old man Was wroth, and doubled up his hands." (Tennyson) 3. To be the double of; to exceed by twofold; to contain or be worth twice as much as. "Thus reenforced, against the adverse fleet, Still doubling ours, brave Rupert leads the way." (Dryden) 4. To pass around or by; to march or sail round, so as to reverse the direction of motion. "Sailing along the coast, the doubled the promontory of Carthage." (Knolles) 5. To unite, as ranks or files, so as to form one from each two. Origin: OE. Doblen, dublen, doublen, F. Doubler, fr. L. Duplare, fr. Duplus. See Double. 1. Twice as much; twice the number, sum, quantity, length, value, and the like. "If the thief be found, let him pay double." (Ex. Xxii. 7) 2. Among compositors, a doublet (see Doublet. 2); among pressmen, a sheet that is twice pulled, and blurred. 3. That which is doubled over or together; a doubling; a plait; a fold. "Rolled up in sevenfold double Of plagues." (Marston) 4. A turn or circuit in running to escape pursues; hence, a trick; a shift; an artifice. "These men are too well acquainted with the chase to be flung off by any false steps or doubles." (Addison) 5. Something precisely equal or counterpart to another; a counterpart. Hence, a wraith. "My charming friend . . . Has, I am almost sure, a double, who preaches his afternoon sermons for him." (Atlantic Monthly) 6. A player or singer who prepares to take the part of another player in his absence; a substitute. 7. Double beer; strong beer. 8. A feast in which the antiphon is doubled, hat is, said twice, before and after the Psalms, instead of only half being said, as in simple feasts. 9. A game between two pairs of players; as, a first prize for doubles. 10. An old term for a variation, as in Bach's Suites. 1. Twofold; multiplied by two; increased by its equivalent; made twice as large or as much, etc. "Let a double portion of thy spirit be upon me." (2 Kings II. 9) "Darkness and tempest make a double night." (Dryden) 2. Being in pairs; presenting two of a kind, or two in a set together; coupled. "[Let] The swan, on still St. Mary's lake, Float double, swan and shadow." (Wordsworth) 3. Divided into two; acting two parts, one openly and the other secretly; equivocal; deceitful; insincere. "With a double heart do they speak." (Ps. Xii. 2) 4. <botany> Having the petals in a flower considerably increased beyond the natural number, usually as the result of cultivation and the expense of the stamens, or stamens and pistils. The white water lily and some other plants have their blossoms naturally double. Double is often used as the first part of a compound word, generally denoting two ways, or twice the number, quantity, force, etc, twofold, or having two. Double base, or Double bass . Same as Double-quick. Double window, a window having two sets of glazed sashes with an air space between them. Origin: OE. Doble, duble, double, OF. Doble, duble, double, F. Double, fr. L. Duplus, fr. The root of duo two, and perh. That of plenus full; akin to Gr. Double. See Two, and Full, and cf. Diploma, Duple. Source: Websters Dictionary (01 Mar 1998) |
| double antibody immunoassay | A method of separating antibody-bound antigen (e.g., insulin) from free antigen by precipitating the former with antibody specific for immunoglobulin. Synonym: double antibody immunoassay, double antibody method. (05 Mar 2000) |
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