| QID, qid, q.i.d. | Quarter In Die; Four Times a Day; ÇÏ·ç ³×¹ø, 1ÀÏ 4ȸ(ìéìíÞÌüÞ) |
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| qr | quadriradial; quantity is correct [Lat. quantum rectum]; quarter |
| B/W | Black/White |
| CWP | Coal Worker's Pneumoconiosis = Black Lung |
| SBB | Sudan Black B |
| BWSV | Black Widow Spider Venom |
|---|---|
| CB | Carbon black |
| GCB | Graphitized carbon black |
| NZB | New Zealand Black |
| SB B | Sudan Black B |
| quarter | 1. One of four equal parts into which anything is divided, or is regarded as divided; a fourth part or portion; as, a quarter of a dollar, of a pound, of a yard, of an hour, etc. Hence, specifically: The fourth of a hundred-weight, being 25 or 28 pounds, according as the hundredweight is reckoned at 100 or 112 pounds. The fourth of a ton in weight, or eight bushels of grain; as, a quarter of wheat; also, the fourth part of a chaldron of coal. <astronomy> One of the divisions of an escutcheon when it is divided into four portions by a horizontal and a perpendicular line meeting in the fess point. When two coats of arms are united upon one escutcheon, as in case of marriage, the first and fourth quarters display one shield, the second and third the other. See Quarter. One of the four parts into which the horizon is regarded as divided; a cardinal point; a direction' principal division; a region; a territory. "Scouts each coast light-armed scour, Each quarter, to descry the distant foe." (Milton) A division of a town, city, or county; a particular district; a locality; as, the Latin quarter in Paris. The fourth part of the distance from one point of the compass to another, being the fourth part of 11 deg 15', that is, about 2 deg 49'; called also quarter point. 2. Proper station; specific place; assigned position; special location. "Swift to their several quarters hasted then The cumbrous elements." (Milton) Hence, specifically: A station at which officers and men are posted in battle; usually in the plural. Place of lodging or temporary residence; shelter; entertainment; usually in the plural. "The banter turned as to what quarters each would find." (W. Irving) A station or encampment occupied by troops; a place of lodging for soldiers or officers; as, winter quarters. Treatment shown by an enemy; mercy; especially, the act of sparing the life a conquered enemy; a refraining from pushing one's advantage to extremes. "He magnified his own clemency, now they were at his mercy, to offer them quarter for their lives." (Clarendon) "Cocks and lambs . . . At the mercy of cats and wolves . . . Must never expect better quarter." (L'Estrange) 3. Friendship; amity; concord. To keep quarter, to keep one's proper place, and so be on good terms with another. "In quarter, and in terms like bride and groom." (Shak) "I knew two that were competitors for the secretary's place, . . . And yet kept good quarter between themselves." (Bacon) False quarter, a cleft in the quarter of a horse's foot. Fifth quarter, the hide and fat; a butcher's term. On the quarter, to accept as prisoner, on submission in battle; to forbear to kill, as a vanquished enemy. To keep quarter. See Quarter. Origin: F. Quartier, L. Quartarius a fourth part, fr. Quartus the fourth. See Quart. Source: Websters Dictionary (01 Mar 1998) |
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| quarter-crack | See: sand-crack. (05 Mar 2000) |
| quarter evil | 1. A notorious gambler. 2. A disease among calves and sheep, characterised by a settling of gelatinous matter in the legs, and sometimes in the neck. Source: Websters Dictionary (01 Mar 1998) |
| quarter-wave plate | <microscopy> A compensator giving a retardation of about 130 nm, and a phase shift of 1/4 ~, thus constituting a device used with a polarizer and analyser designed to produce circularly polarized light. (05 Aug 1998) |
| amido black | <chemical> 4-amino-5-hydroxy-3-((4-nitrophenyl)azo)-6-(phenylazo)-2,7- naphthalenedisulfonic acid disodium salt. A dye used to stain proteins in electrophoretic techniques. It is used interchangeably with its acid form. Pharmacological action: dyes. Chemical name: 2,7-Naphthalenedisulfonic acid, 4-amino-5-hydroxy-3-((4-nitrophenyl)azo)-6-(phenylazo)-, disodium salt (12 Dec 1998) |
| amido black 10B | An acid diazo dye, C12H14N6O9S2Na2, used as a connective tissue stain, for staining protein in paper chromatography, and in electrophoresis. (05 Mar 2000) |
| animal black | Charcoal produced by incomplete combustion of animal tissues, especially bone. Synonym: animal black, bone black, bone charcoal. (05 Mar 2000) |
| anti-black-tongue factor | A precursor of NAD, that is a product of the oxidation of nicotine. (18 Nov 1997) |
| black | 1. That which is destitute of light or whiteness; the darkest colour, or rather a destitution of all colour; as, a cloth has a good black. "Black is the badge of hell, The hue of dungeons, and the suit of night." (Shak) 2. A black pigment or dye. 3. A negro; a person whose skin is of a black colour, or shaded with black; especially. A member or descendant of certain African races. 4. A black garment or dress; as, she wears black; pl. Mourning garments of a black colour; funereal drapery. "Friends weeping, and blacks, and obsequies, and the like show death terrible." (Bacon) "That was the full time they used to wear blacks for the death of their fathers." (Sir T. North) 5. The part of a thing which is distinguished from the rest by being black. "The black or sight of the eye." (Sir K. Digby) 6. A stain; a spot; a smooch. "Defiling her white lawn of chastity with ugly blacks of lust." (Rowley) Black and white, writing or print; as, I must have that statement in black and white. Blue black, a pigment of a blue black colour. Ivory black, a fine kind of animal charcoal prepared by calcining ivory or bones. When ground it is the chief ingredient of the ink used in copperplate printing. Berlin black. See Berlin. 1. Destitute of light, or incapable of reflecting it; of the colour of soot or coal; of the darkest or a very dark colour, the opposite of white; characterised by such a colour; as, black cloth; black hair or eyes. "O night, with hue so black!" (Shak) 2. In a less literal sense: Enveloped or shrouded in darkness; very dark or gloomy; as, a black night; the heavens black with clouds. "I spy a black, suspicious, threatening cloud." (Shak) 3. Dismal, gloomy, or forbidding, like darkness; destitute of moral light or goodness; atrociously wicked; cruel; mournful; calamitous; horrible. "This day's black fate." "Black villainy." "Arise, black vengeance." "Black day." "Black despair." 4. Expressing menace, or discontent; threatening; sullen; foreboding; as, to regard one with black looks. Black is often used in self-explaining compound words; as, black-eyed, black-faced, black-haired, black-visaged. Black act, the English statute 9 George I, which makes it a felony to appear armed in any park or warren, etc, or to hunt or steal deer, etc, with the face blackened or disguised. Subsequent acts inflicting heavy penalties for malicious injuries to cattle and machinery have been called black acts. <chemistry> Black angel, the palm cockatoo. See Cockatoo. Black copper. Same as Melaconite. Black currant. <botany> An American hawk (Buteo Harlani). Synonym: Dark, murky, pitchy, inky, somber, dusky, gloomy, swart, Cimmerian, ebon, atrocious. Origin: OE. Blak, AS. Blaec; akin to Icel. Blakkr dark, swarthy, Sw. Black ink, Dan. Blaek, OHG. Blach, LG. & D. Blaken to burn with a black smoke. Not akin to AS. Blac, E. Bleak pallid. 98. Source: Websters Dictionary (01 Mar 1998) |
| black art | The art practiced by conjurers and witches; necromancy; conjuration; magic. This name was given in the Middle Ages to necromancy, under the idea that the latter term was derived from niger black, instead of nekros, a dead person, and manteia, divination. Source: Websters Dictionary (01 Mar 1998) |
| black bass | <zoology> 1. An edible, fresh water fish of the United States, of the genus Micropterus. The small-mouthed kind is M. Dolomiei; the largemouthed is M. Salmoides. 2. The sea bass. See Blackfish. Source: Websters Dictionary (01 Mar 1998) |
| black book | 1. One of several books of a political character, published at different times and for different purposes; so called either from the colour of the binding, or from the character of the contents. 2. A book compiled in the twelfth century, containing a description of the court of exchequer of England, an official statement of the revenues of the crown, etc. 3. A book containing details of the enormities practiced in the English monasteries and religious houses, compiled by order of their visitors under Henry VIII, to hasten their dissolution. 4. A book of admiralty law, of the highest authority, compiled in the reign of Edw. III. 5. A book kept for the purpose of registering the names of persons liable to censure or punishment, as in the English universities, or the English armies. 6. Any book which treats of necromancy. Source: Websters Dictionary (01 Mar 1998) |
| black box | (Jargon) descriptive of a method of reasoning or studying a problem, in which the methods and procedures, as such, are not described, explained, or perhaps even understood: conclusions relate solely to the empirical relationships observed, in some contexts, the term can mean a piece of apparatus or an experimental animal in which the pharmacologic or toxicologic pathway has not yet been worked out. CAAT box, a sequence of nucleotides found in a conserved region of DNA located "upstream" (5' direction) of the start points of eukaryotic transcription units; specific transcription factors appear to associate with it; found in many promoters at -75 bp with the consensus sequence: GG(T/C)CAATCT. Fracture box, an obsolete means of supporting a fractured leg, consisting of a container with only bottom and sides. (05 Mar 2000) |
| black cataract | A cataract in which the lens is hardened and of a dark brown colour. In the 19th century, German black cataract meant gutta severa (q.v.). Synonym: cataracta brunescens, cataracta nigra. (05 Mar 2000) |
| Black Death | <disease, organism> Yersinina pestis is a gram-negative, rod-shaped, faculatively anaerobic bacterial species in the family Enterobacteriaceae. It causes bubonic plaque, which is transmitted by rodent fleas. Historically known as the Black Plague, this disease devastated Europe and Asia in the 1300s. It still exists today and is characterised by sudden high fever, chills, excessively swollen and tender lymph nodes (buboes), followed by tissue bleeding and gangrene. Other complications include pneumonia and septicaemia. (12 Nov 1997) |
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