| DRAG | Dinitrogenase reductase-activating glycohydrolase |
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| D | drag |
| solvent drag | The influence exerted by a flow of solvent through a membrane on the simultaneous movement of a solute through the membrane. (05 Mar 2000) |
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| drag | 1. To draw slowly or heavily onward; to pull along the ground by main force; to haul; to trail; applied to drawing heavy or resisting bodies or those inapt for drawing, with labour, along the ground or other surface; as, to drag stone or timber; to drag a net in fishing. "Dragged by the cords which through his feet were thrust." (Denham) "The grossness of his nature will have weight to drag thee down." (Tennyson) "A needless Alexandrine ends the song That, like a wounded snake, drags its slow length along." (Pope) 2. To break, as land, by drawing a drag or harrow over it; to harrow; to draw a drag along the bottom of, as a stream or other water; hence, to search, as by means of a drag. "Then while I dragged my brains for such a song." (Tennyson) 3. To draw along, as something burdensome; hence, to pass in pain or with difficulty. "Have dragged a lingering life." (Dryden) To drag an anchor, to trail it along the bottom when the anchor will not hold the ship. Synonym: See Draw. Origin: OE. Draggen; akin to Sw. Dragga to search with a grapnel, fr. Dragg grapnel, fr. Draga to draw, the same word as E. Draw. See Draw. 1. To be drawn along, as a rope or dress, on the ground; to trail; to be moved onward along the ground, or along the bottom of the sea, as an anchor that does not hold. 2. To move onward heavily, laboriously, or slowly; to advance with weary effort; to go on lingeringly. "The day drags through, though storms keep out the sun." (Byron) "Long, open panegyric drags at best." (Gay) 3. To serve as a clog or hindrance; to hold back. "A propeller is said to drag when the sails urge the vessel faster than the revolutions of the screw can propel her." (Russell) 4. To fish with a dragnet. 1. The act of dragging; anything which is dragged. 2. A net, or an apparatus, to be drawn along the bottom under water, as in fishing, searching for drowned persons, etc. 3. A kind of sledge for conveying heavy bodies; also, a kind of low car or handcart; as, a stone drag. 4. A heavy coach with seats on top; also, a heavy carriage. 5. A heavy harrow, for breaking up ground. 6. Anything towed in the water to retard a ship's progress, or to keep her head up to the wind; especially, a canvas bag with a hooped mouth, so used. See Drag sail (below). Also, a skid or shoe, for retarding the motion of a carriage wheel. Hence, anything that retards; a clog; an obstacle to progress or enjoyment. "My lectures were only a pleasure to me, and no drag." (J. D. Forbes) 7. Motion affected with slowness and difficulty, as if clogged. "Had a drag in his walk." 8. The bottom part of a flask or mold, the upper part being the cope. 9. A steel instrument for completing the dressing of soft stone. 10. <engineering> The difference between the speed of a screw steamer under sail and that of the screw when the ship outruns the screw; or between the propulsive effects of the different floats of a paddle wheel. See Citation under Drag. Drag sail, a spiral hook at the end of a rod for cleaning drilled holes. See: Drag, and cf. Dray a cart, and 1st Dredge. Source: Websters Dictionary (01 Mar 1998) |
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훼로바에프서방정 - 새창
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부광약품 |
A13101771 | Ferrous Sulfate dried, Folic Acid, Mucoproteose | 일반의약품 | 비급여 |
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