| DW | daily weight; deionized water; dextrose in water; distilled water; doing well; dry weight |
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| BC/BS | Blue Cross/Blue Shield [plan] |
| BCBSA | Blue Cross and Blue Shield Association |
| BS | Bachelor of Science; Bachelor of Surgery; Bacillus subtilis; Bartter syndrome; base strap; bedside; ... |
| BSA | benzenesulfonic acid; Biofeedback Society of America; bismuth-sulfite agar; bis-trimethylsilyl-aceta... |
| w/o/w | Water-in-oil in water |
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| ADC | Apparent diffusion coefficient of water |
| ASW | Artificial sea water |
| BPW | Buffered Peptone Water |
| CWS | Cold water swim |
| water shield | <botany> An aquatic American plant (Brasenia peltata) having floating oval leaves, and the covered with a clear jelly. Source: Websters Dictionary (01 Mar 1998) |
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| blue shield | A prepaid health insurance plan for costs of physicians' services. (12 Dec 1998) |
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| shield | 1. To cover with, or as with, a shield; to cover from danger; to defend; to protect from assault or injury. "Shouts of applause ran ringing through the field, To see the son the vanquished father shield." (Dryden) "A woman's shape doth shield thee." (Shak) 2. To ward off; to keep off or out. "They brought with them their usual weeds, fit to shield the cold to which they had been inured." (Spenser) 3. To avert, as a misfortune; hence, as a supplicatory exclamation, forbid! "God shield that it should so befall." (Chaucer) "God shield I should disturb devotion!" (Shak) Origin: AS. Scidan, scyldan. See Shield. 1. A broad piece of defensive armor, carried on the arm, formerly in general use in war, for the protection of the body. See Buckler. "Now put your shields before your hearts and fight, With hearts more proof than shields." (Shak) 2. Anything which protects or defends; defense; shelter; protection. "My council is my shield." 3. Figuratively, one who protects or defends. "Fear not, Abram; I am thy shield, and thy exceeding great reward." (Gen. Xv. 1) 4. <botany> In lichens, a Hardened cup or disk surrounded by a rim and containing the fructification, or asci. 5. The escutcheon or field on which are placed the bearings in coats of arms. Cf. Lozenge. 6. <chemical> A framework used to protect workmen in making an adit under ground, and capable of being pushed along as excavation progresses. 7. A spot resembling, or having the form of, a shield. "Bespotted as with shields of red and black." 8. A coin, the old French crown, or ecu, having on one side the figure of a shield. <botany> Shield fern, any fern of the genus Aspidium, in which the fructifications are covered with shield-shaped indusia; called also wood fern. Origin: OE. Sheld, scheld, AS. Scield, scild, sceld, scyld; akin to OS. Scild, OFries. Skeld, D. & G. Schild, OHG. Scilt, Icel. Skjoldr, Sw. Skold, Dan. Skiold, Goth. Skildus; of uncertain origin. Cf. Sheldrake. Source: Websters Dictionary (01 Mar 1998) |
| shield-bearer | 1. One who, or that which, carries a shield. 2. <zoology> Any small moth of the genus Aspidisca, whose larva makes a shieldlike covering for itself out of bits of leaves. Source: Websters Dictionary (01 Mar 1998) |
| nipple shield | A cap or dome placed over the nipple to protect it during nursing. (05 Mar 2000) |
| embryonic shield | A thickened area of the embryonic blastoderm from which the embryo develops. (05 Mar 2000) |
| alkaline water | A water that contains appreciable amounts of the bicarbonates of calcium, lithium, potassium, or sodium. (05 Mar 2000) |
| aromatic water | 1. To wet or supply with water; to moisten; to overflow with water; to irrigate; as, to water land; to water flowers. "With tears watering the ground." (Milton) "Men whose lives gilded on like rivers that water the woodlands." (Longfellow) 2. To supply with water for drink; to cause or allow to drink; as, to water cattle and horses. 3. To wet and calender, as cloth, so as to impart to it a lustrous appearance in wavy lines; to diversify with wavelike lines; as, to water silk. Cf. Water. 4. To add water to (anything), thereby extending the quantity or bulk while reducing the strength or quality; to extend; to dilute; to weaken. To water stock, to increase the capital stock of a company by issuing new stock, thus diminishing the value of the individual shares. Cf. Water. Origin: AS. Waeterian, gewaeterian. 1. The fluid which descends from the clouds in rain, and which forms rivers, lakes, seas, etc. "We will drink water." ."Powers of fire, air, water, and earth." . Pure water consists of hydrogen and oxygen, H2O, and is a colourless, odorless, tasteless, transparent liquid, which is very slightly compressible. at its maximum density, 39 deg Fahr. Or 4 deg C, it is the standard for specific gravities, one cubic centimeter weighing one gram. It freezes at 32 deg Fahr. Or 0 deg C. And boils at 212 deg Fahr. Or 100 deg C. (see Ice, Steam). It is the most important natural solvent, and is frequently impregnated with foreign matter which is mostly removed by distillation; hence, rain water is nearly pure. It is an important ingredient in the tissue of animals and plants, the human body containing about two thirds its weight of water. 2. A body of water, standing or flowing; a lake, river, or other collection of water. "Remembering he had passed over a small water a poor scholar when first coming to the university, he kneeled." (Fuller) 3. Any liquid secretion, humor, or the like, resembling water; especially, the urine. 4. <pharmacology> A solution in water of a gaseous or readily volatile substance; as, ammonia water. 5. The limpidity and luster of a precious stone, especially a diamond; as, a diamond of the first water, that is, perfectly pure and transparent. Hence, of the first water, that is, of the first excellence. 6. A wavy, lustrous pattern or decoration such as is imparted to linen, silk, metals, etc. See Water, 3, Damask, and Damaskeen. 7. An addition to the shares representing the capital of a stock company so that the aggregate par value of the shares is increased while their value for investment is diminished, or "diluted." Water is often used adjectively and in the formation of many self-explaining compounds; as, water drainage; water gauge, or water-gauge; waterfowl, water-fowl, or water fowl; water-beaten; water-borne, water-circled, water-girdled, water-rocked, etc. Hard water. See Hard. Inch of water, a unit of measure of quantity of water, being the quantity which will flow through an orifice one inch square, or a circular orifice one inch in diameter, in a vertical surface, under a stated constant head; also called miner's inch, and water inch. The shape of the orifice and the head vary in different localities. In the Western United States, for hydraulic mining, the standard aperture is square and the head from 4 to 9 inches above its center. In Europe, for experimental hydraulics, the orifice is usually round and the head from 1/12 of an inch to 1 inch above its top. Mineral water, waters which are so impregnated with foreign ingredients, such as gaseous, sulphureous, and saline substances, as to give them medicinal properties, or a particular flavor or temperature. Soft water, water not impregnated with lime or mineral salts. To hold water. See Hold, To keep one's head above water, to keep afloat; fig, to avoid failure or sinking in the struggles of life. To make water. To pass urine. <medicine> Hydrothorax. Other phrases, in which water occurs as the first element, will be found in alphabetical order in the Vocabulary. Origin: AS. Waeter; akin to OS. Watar, OFries. Wetir, weter, LG. & D. Water, G. Wasser, OHG. Wazzar, Icel. Vatn, Sw. Vatten, Dan. Vand, Goth. Wat, O. Slav. & Russ. Voda, Gr, Skr. Udan water, ud to wet, and perhaps to L. Unda wave. Cf. Dropsy, Hydra, Otter, Wet, Whisky. Source: Websters Dictionary (01 Mar 1998) |
| baryta water | A saturated aqueous solution of barium hydroxide; used as an alkaline reagent. (05 Mar 2000) |
| bitter water | A natural mineral water containing Epsom salt. (05 Mar 2000) |
| black water | azoturia of horses |
| boiling water reactor | <radiobiology> Class of fission reactor where water is used as a coolant and allowed to boil into steam. (09 Oct 1997) |
| bound water | Water held to colloids and other substances and not removed by simple filtration. (05 Mar 2000) |
| bromine water | A water containing the bromides of magnesium, potassium, or sodium in therapeutic amounts. (05 Mar 2000) |
| calcic water | A water containing appreciable quantities of calcium salts in solution. (05 Mar 2000) |
| carbonated water | Carbonic water, water that contains a considerable amount of carbonic acid in solution. (05 Mar 2000) |
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