| Drigalski, Wilhelm von | <person> German bacteriologist, 1871-1950. See: Drigalski-Conradi agar, Conradi-Drigalski agar. (05 Mar 2000) |
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| Drigalski-Conradi agar | A selective, nutrient medium for isolation of Salmonella typhi and other intestinal pathogens from faecal specimens; it contains the dye crystal violet, which generally inhibits growth of Gram-positive, but not Gram-negative, bacteria. Synonym: Drigalski-Conradi agar. (05 Mar 2000) |
| drill | 1. To cause to flow in drills or rills or by trickling; to drain by trickling; as, waters drilled through a sandy stratum. 2. To sow, as seeds, by dribbling them along a furrow or in a row, like a trickling rill of water. 3. To entice; to allure from step; to decoy; with on. "See drilled him on to five-fifty." (Addison) 4. To cause to slip or waste away by degrees. " This accident hath drilled away the whole summer." (Swift) Origin: Cf. Trill to trickle, Trickle, Dribble, and W. Rhillio to put in a row, drill. 1. A small trickling stream; a rill. "Springs through the pleasant meadows pour their drills." (Sandys) 2. An implement for making holes for sowing seed, and sometimes so formed as to contain seeds and drop them into the hole made. A light furrow or channel made to put seed into sowing. A row of seed sown in a furrow. Drill is used adjectively, or as the first part of a compound; as, drill barrow or drill-barrow; drill husbandry; drill plow or drill-plow. Drill barrow, a wheeled implement for planting seed in drills. Drill bow, a small bow used for the purpose of rapidly turning a drill around which the bowstring takes a turn. Drill harrow, a harrow used for stirring the ground between rows, or drills. Drill plow, or Drill plough, a sort plow for sowing grain in drills. 1. An instrument with an edged or pointed end used for making holes in hard substances; strictly, a tool that cuts with its end, by revolving, as in drilling metals, or by a succession of blows, as in drilling stone; also, a drill press. 2. The act or exercise of training soldiers in the military art, as in the manual of arms, in the execution of evolutions, and the like; hence, diligent and strict instruction and exercise in the rudiments and methods of any business; a kind or method of military exercises; as, infantry drill; battalion drill; artillery drill. 3. Any exercise, physical or mental, enforced with regularity and by constant repetition; as, a severe drill in Latin grammar. 4. <zoology> A marine gastropod, of several species, which kills oysters and other bivalves by drilling holes through the shell. The most destructive kind is Urosalpinx cinerea. Bow drill, Breast drill. See Bow, Breast. Cotter drill, or Traverse drill, a machine tool for drilling slots. Diamond drill. See Diamond. Drill jig. See Jig. Drill pin, the pin in a lock which enters the hollow stem of the key. Drill sergeant, a noncommissioned officer whose office it is to instruct soldiers as to their duties, and to train them to military exercises and evolutions. Vertical drill, a drill press. <zoology> A large African baboon (Cynocephalus leucophaeus). Origin: Cf. Mandrill. Source: Websters Dictionary (01 Mar 1998) |
| drilling | The act of using a drill in sowing seeds. Source: Websters Dictionary (01 Mar 1998) |
| drillstock | <mechanics> A contrivance for holding and turning a drill. Source: Websters Dictionary (01 Mar 1998) |
| drimays | <botany> A genus of magnoliaceous trees. Drimys aromatica furnishes Winter's bark. Origin: NL, fr. Gr. Sharp, acrid. Source: Websters Dictionary (01 Mar 1998) |
| drink | 1. Liquid to be swallowed; any fluid to be taken into the stomach for quenching thirst or for other purposes, as water, coffee, or decoctions. "Give me some drink, Titinius." (Shak) 2. Specifically, intoxicating liquor; as, when drink is on, wit is out. Drink money, or Drink penny, an allowance, or perquisite, given to buy drink; a gratuity. Drink offering, an offering of wine, etc, in the Jewish religious service. In drink, drunk. "The poor monster's in drink." . Strong drink, intoxicating liquor; especially, liquor containing a large proportion of alcohol. " Wine is a mocker, strong drink is raging." (Prov. Xx. 1) 1. To swallow (a liquid); to receive, as a fluid, into the stomach; to imbibe; as, to drink milk or water. "There lies she with the blessed gods in bliss, There drinks the nectar with ambrosia mixed." (Spenser) "The bowl of punch which was brewed and drunk in Mrs. Betty's room." (Thackeray) 2. To take in (a liquid), in any manner; to suck up; to absorb; to imbibe. "And let the purple violets drink the stream." (Dryden) 3. To take in; to receive within one, through the senses; to inhale; to hear; to see. "To drink the cooler air, (Tennyson) "My ears have not yet drunk a hundred words Of that tongue's utterance." (Shak) "Let me . . . Drink delicious poison from thy eye." (Pope) 4. To smoke, as tobacco. "And some men now live ninety years and past, who never drank to tobacco first nor last." (Taylor (1630)) To drink down, to act on by drinking; to reduce or subdue; as, to drink down unkindness. To drink in, to take into one's self by drinking, or as by drinking; to receive and appropriate as in satisfaction of thirst. "Song was the form of literature which he [Burns] had drunk in from his cradle." . To drink off or up, to drink the whole at a draught; as, to drink off a cup of cordial. To drink the health of, or To drink to the health of, to drink while expressing good wishes for the health or welfare of. Source: Websters Dictionary (01 Mar 1998) |
| drinker | One who drinks; as, the effects of tea on the drinker; also, one who drinks spirituous liquors to excess; a drunkard. <zoology> Drinker moth, a large British moth (Odonestis potatoria). Source: Websters Dictionary (01 Mar 1998) |
| Drinker respirator | A mechanical respirator in which the body except the head is encased within a metal tank, which is sealed at the neck with an airtight gasket; artificial respiration is induced by making the air pressure inside negative. Synonym: iron lung, tank respirator. (05 Mar 2000) |
| Drinker, Philip | <person> U.S. Industrial hygienist, 1894-1972. See: Drinker respirator. (05 Mar 2000) |
| drinking behaviour | Behaviours associated with the ingesting of water and other liquids; includes rhythmic patterns of drinking (time intervals - onset and duration), frequency and satiety. (12 Dec 1998) |
| drip | 1. To flow a drop at a time. 2. A flowing in drops. (05 Mar 2000) |
| drip transfusion | Transfusion slow enough to measure by drops. (05 Mar 2000) |
| drip-suck irrigation | A type of drainage in which antibiotics are continuously infused into a cavity at the same time fluid is being drained (aspirated) from the cavity. Synonym: drip-suck irrigation. (05 Mar 2000) |
| driselase | <enzyme> Fungal enzyme preparation containing polysaccharide exo- and endo-hydrolases, including cellulase, pectinase, beta-xylanase and beta-mannanase Registry number: EC 3.2.1.- (26 Jun 1999) |
Synonyms : Drug Allergy, Allergies, Drug, Drug Allergies, Drug Hypersensitivities, Hypersensitivities, Drug
Synonyms : Drug Pellets, Implants, Drug
Synonyms : Drug Incompatibilities, Incompatibilities, Drug, Incompatibility, Drug
Synonyms : Industries, Pharmaceutic, Industry, Drug, Industry, Pharmaceutic, Industry, Pharmaceutical, Pharmaceutical Industry, Drug Industries, Industries, Drug, Industries, Pharmaceutical, Pharmaceutic Industries, Pharmaceutic Industry, Pharmaceutical Industries
Synonyms : Information Services, Drug, Services, Drug Information, Drug Information Service, Information Service, Drug, Service, Drug Information
| drift |
float: be in motion due to some air or water current; "The leaves were blowing in the wind"; "the boat drifted on the lake"; "The sailboat was adrift on the open sea"; "the shipwrecked boat drifted away from the shore" stray: wander from a direct course or at random; "The child strayed from the path and her parents lost sight of her"; "don't drift from the set course" roll: move about aimlessly or without any destination, often in search of food or employment; "The gypsies roamed the woods"; "roving vagabonds"; "the wandering Jew"; "The cattle roam across the prairie"; "the laborers drift from one town to the next"; "They rolled from town to town" a force that moves something along vary or move from a fixed point or course; "stock prices are drifting higher" the gradual departure from an intended course due to external influences (as a ship or plane) freewheel: live unhurriedly, irresponsibly, or freely; "My son drifted around for years in California before going to law school" move in an unhurried fashion; "The unknown young man drifted among the invited guests" a process of linguistic change over a period of time cause to be carried by a current; "drift the boats downstream" something that is heaped up by the wind or by water currents a general tendency to change (as of opinion); "not openly liberal but that is the trend of the book"; "a broad movement of the electorate to the right" drive slowly and far afield for grazing; "drift the cattle herds westwards" be subject to fluctuation; "The stock market drifted upward" the pervading meaning or tenor; "caught the general drift of the conversation" a horizontal (or nearly horizontal) passageway in a mine; "they dug a drift parallel with the vein" be piled up in banks or heaps by the force of wind or a current; "snow drifting several feet high"; "sand drifting like snow"
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| dry gangrene |
(pathology) gangrene that develops in the presence of arterial obstruction and is characterized by dryness of the dead tissue and a dark brown color
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| drill |
bore: make a hole with a pointed power or hand tool; "don't drill here, there's a gas pipe"; "drill a hole into the wall"; "drill for oil" train in the military, e.g., in the use of weapons a tool with a sharp point and cutting edges for making holes in hard materials (usually rotating rapidly or by repeated blows) similar to the mandrill but smaller and less brightly colored learn by repetition; "We drilled French verbs every day"; "Pianists practice scales" exercise: systematic training by multiple repetitions; "practice makes perfect" teach by repetition undergo military training or do military exercises (military) the training of soldiers to march (as in ceremonial parades) or to perform the manual of arms
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| dry ice |
solidified carbon dioxide; dry ice sublimates at -78.5 C and is used mainly as a refrigerant
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| dry measure |
dry unit: a unit of capacity for dry commodities (as fruit or grain)
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| DR | a fishing boat that uses a trawl net or dragnet to catch fish |
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| DR | someone who pulls or tugs or drags in an effort to move something |
| DR | marked by a painfully slow and effortful manner |
| DR | passing painfully or tediously slowly |
| DR | in a dragging manner |
| DR | limp and soiled as if dragged in the mud |
| DR | a conical fishnet dragged through the water at great depths |
| DR | an interpreter and guide in the Near East |
| DR | any of several small tropical Asian lizards capable of gliding by spreading winglike membranes on each side of the body |
| DR | a creature of Teutonic mythology |
| DR | a fiercely vigilant and unpleasant woman |
| DR | a faint constellation twisting around the north celestial pole and lying between Ursa Major and Cepheus |