| 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) |
| drive | 1. To rush and press with violence; to move furiously. "Fierce Boreas drove against his flying sails." (Dryden) "Under cover of the night and a driving tempest." (Prescott) "Time driveth onward fast, And in a little while our lips are dumb." (Tennyson) 2. To be forced along; to be impelled; to be moved by any physical force or agent; to be driven. "The hull drives on, though mast and sail be torn." (Byron) "The chaise drives to Mr. Draper's chambers." (Thackeray) 3. To go by carriage; to pass in a carriage; to proceed by directing or urging on a vehicle or the animals that draw it; as, the coachman drove to my door. 4. To press forward; to aim, or tend, to a point; to make an effort; to strive; usually with at. "Let them therefore declare what carnal or secular interest he drove at." (South) 5. To distrain for rent. To let drive, to aim a blow; to strike with force; to attack. "Four rogues in buckram let drive at me." 1. To impel or urge onward by force in a direction away from one, or along before one; to push forward; to compel to move on; to communicate motion to; as, to drive cattle; to drive a nail; smoke drives persons from a room. "A storm came on and drove them into Pylos." (Jowett (Thucyd)) "Shield pressed on shield, and man drove man along." (Pope) "Go drive the deer and drag the finny prey." (Pope) 2. To urge on and direct the motions of, as the beasts which draw a vehicle, or the vehicle borne by them; hence, also, to take in a carriage; to convey in a vehicle drawn by beasts; as, to drive a pair of horses or a stage; to drive a person to his own door. "How . . . Proud he was to drive such a brother!" (Thackeray) 3. To urge, impel, or hurry forward; to force; to constrain; to urge, press, or bring to a point or state; as, to drive person by necessity, by persuasion, by force of circumstances, by argument, and the like. " Enough to drive one mad." "He, driven to dismount, threatened, if I did not do the like, to do as much for my horse as fortune had done for his." (Sir P. Sidney) 4. To carry or; to keep in motion; to conduct; to prosecute. [Now used only colloquially] "The trade of life can not be driven without partners." (Collier) 5. To clear, by forcing away what is contained. "To drive the country, force the swains away." (Dryden) 6. <chemical> To dig Horizontally; to cut a horizontal gallery or tunnel. 7. To pass away; said of time. Drive, in all its senses, implies forcible or violent action. It is the reverse of to lead. To drive a body is to move it by applying a force behind; to lead is to cause to move by applying the force before, or in front. It takes a variety of meanings, according to the objects by which it is followed; as, to drive an engine, to direct and regulate its motions; to drive logs, to keep them in the current of a river and direct them in their course; to drive feathers or down, to place them in a machine, which, by a current of air, drives off the lightest to one end, and collects them by themselves. "My thrice-driven bed of down." Origin: AS. Drifan; akin to OS. Driban, D. Drijven, OHG. Triban, G. Treiben, Icel. Drifa, Goth. Dreiban. Cf. Drift, Drove. Source: Websters Dictionary (01 Mar 1998) |
| driver | 1. One who, or that which, drives; the person or thing that urges or compels anything else to move onward. 2. The person who drives beasts or a carriage; a coachman; a charioteer, etc.; hence, also, one who controls the movements of a locomotive. 3. An overseer of a gang of slaves or gang of convicts at their work. 4. <machinery> A part that transmits motion to another part by contact with it, or through an intermediate relatively movable part, as a gear which drives another, or a lever which moves another through a link, etc. Specifically: The driving wheel of a locomotive. An attachment to a lathe, spindle, or face plate to turn a carrier. A crossbar on a grinding mill spindle to drive the upper stone. 5. The after sail in a ship or bark, being a fore-and-aft sail attached to a gaff; a spanker. <zoology> Driver ant, a species of African stinging ant; one of the visiting ants (Anomma arcens); so called because they move about in vast armies, and drive away or devour all insects and other small animals. Origin: From Drive. Source: Websters Dictionary (01 Mar 1998) |
| driving | 1. Having great force of impulse; as, a driving wind or storm. 2. Communicating force; impelling; as, a driving shaft. Driving axle, the axle of a driving wheel, as in a locomotive. Driving box, a wheel that communicates motion; one of the large wheels of a locomotive to which the connecting rods of the engine are attached; called also, simply, driver. Source: Websters Dictionary (01 Mar 1998) |