| magnification empty | <microscopy> Magnification beyond which no new information is revealed. (05 Aug 1998) |
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| empty | 1. Containing nothing; not holding or having anything within; void of contents or appropriate contents; not filled; said of an inclosure, as a box, room, house, etc.; as, an empty chest, room, purse, or pitcher; an empty stomach; empty shackles. 2. Free; clear; devoid; often with of. "That fair female troop . . . Empty of all good." "I shall find you empty of that fault." (Shak) 3. Having nothing to carry; unburdened. "An empty messenger." "When ye go ye shall not go empty." (Ex. Iii. 21) 4. Destitute of effect, sincerity, or sense; said of language; as, empty words, or threats. "Words are but empty thanks." (Cibber) 5. Unable to satisfy; unsatisfactory; hollow; vain; said of pleasure, the world, etc. "Pleas'd in the silent shade with empty praise." (Pope) 6. Producing nothing; unfruitful; said of a plant or tree; as, an empty vine. "Seven empty ears blasted with the east wind." (Gen. Xli. 27) 7. Destitute of, or lacking, sense, knowledge, or courtesy; as, empty brains; an empty coxcomb. "That in civility thou seem'st so empty." (Shak) 8. Destitute of reality, or real existence; unsubstantial; as, empty dreams. Empty is used as the first element in a compound; as, empty-handed, having nothing in the hands, destitute; empty-headed, having few ideas; empty-hearted, destitute of feeling. Synonym: See Vacant. Origin: AS. Emtig, aemtig, aemetig, fr. Aemta, aemetta, quiet, leisure, rest; of uncertain origin; cf. G. Emsig busy. Source: Websters Dictionary (01 Mar 1998) |
| empty sella | A sella turcica, often enlarged, that contains no discernible pituitary gland; may be primarily due to an incompetent sellar diaphragm with compression of the pituitary gland by herniating arachnoid or secondarily due to surgery or radiotherapy. (05 Mar 2000) |
| empty sella syndrome | <radiology> Aetiology, idiopathic, most commonly reported in middle-aged obese women (associated with DM, hypertension, normal pituitary function), secondary, pituitary adenoma, surgery or irradiation, communicating hydrocephalus, familial (very rare) X-ray findings: sella normal or increased, intrasellar herniation of subarachnoid space, symptoms: headache, visual disorders, with or without decreased pituitary function, cerebrospinal fluid rhinorrhoea (12 Dec 1998) |
| quick | 1. Alive; living; animate; opposed to dead or inanimate. "Not fully quyke, ne fully dead they were." (Chaucer) "The Lord Jesus Christ, who shall judge the quick and the dead at his appearing and his kingdom." (2 Tim. Iv. 1) "Man is no star, but a quick coal Of mortal fire." (Herbert) In this sense the word is nearly obsolete, except in some compounds, or in particular phrases. 2. Characterised by life or liveliness; animated; sprightly; agile; brisk; ready. " A quick wit." 3. Speedy; hasty; swift; not slow; as, be quick "Oft he her his charge of quick return Repeated." (Milton) 4. Impatient; passionate; hasty; eager; eager; sharp; unceremonious; as, a quick temper. "The bishop was somewhat quick with them, and signified that he was much offended." (Latimer) 5. Fresh; bracing; sharp; keen. "The air is quick there, And it pierces and sharpens the stomach." (Shak) 6. Sensitive; perceptive in a high degree; ready; as, a quick ear. "To have an open ear, a quick eye." "They say that women are so quick." (Tennyson) 7. Pregnant; with child. Quick grass. <botany> A vein of ore which is productive, not barren. Quick vinegar, vinegar made by allowing a weak solution of alcohol to trickle slowly over shavings or other porous material. Quick water, quicksilver water. Quick with child, pregnant with a living child. Synonym: Speedy, expeditious, swift, rapid, hasty, prompt, ready, active, brisk, nimble, fleet, alert, agile, lively, sprightly. Origin: As. Cwic, cwicu, cwucu, cucu, living; akin to OS. Quik, D. Kwik, OHG. Quec, chec, G. Keck bold, lively, Icel. Kvikr living, Goth. Qius, Lith. Q<ymac/vas, Russ. Zhivoi, L. Vivus living, vivere to live, Gr. Bios life, Skr. Jiva living, jiv to live. Cf. Biography, Vivid, Quitch grass, Whitlow. 1. That which is quick, or alive; a living animal or plant; especially, the hawthorn, or other plants used in making a living hedge. "The works . . . Are curiously hedged with quick." (Evelyn) 2. The life; the mortal point; a vital part; a part susceptible of serious injury or keen feeling; the sensitive living flesh; the part of a finger or toe to which the nail is attached; the tender emotions; as, to cut a finger nail to the quick; to thrust a sword to the quick, to taunt one to the quick; used figuratively. "This test nippeth, . . . This toucheth the quick." (Latimer) "How feebly and unlike themselves they reason when they come to the quick of the difference !" (Fuller) 3. <botany> Quitch grass. Source: Websters Dictionary (01 Mar 1998) |
| Quick, Armand | <person> U.S. Physician, 1894-1978. See: Quick's method, Quick's test. (05 Mar 2000) |
| quick cure resin | Autopolymerizing resin, any resin that can be polymerised by chemical catalysis rather than by the application of heat; used in dentistry for dental restoration, denture repair, and impression trays. Synonym: activated resin, cold cure resin, cold-curing resin, quick cure resin, self-curing resin. (05 Mar 2000) |
| Quick's method | A quantitative test for prothrombin in the blood based on the clotting time of oxalated blood plasma in the presence of thromboplastin and calcium chloride; measures the integrity of the extrinsic and common pathways of coagulation. See: prothrombin time. Synonym: Quick's method, Quick's test. (05 Mar 2000) |
| Quick's test | A quantitative test for prothrombin in the blood based on the clotting time of oxalated blood plasma in the presence of thromboplastin and calcium chloride; measures the integrity of the extrinsic and common pathways of coagulation. See: prothrombin time. Synonym: Quick's method, Quick's test. (05 Mar 2000) |
| quick-stop mutant | A bacterial mutant that ceases replication immediately when the temperature reaches a certain level. Compare: temperature-sensitive mutant. (05 Mar 2000) |
| baby bottle syndrome | Rampant caries of the primary dentition associated with the habitual use, after age 1, of a baby bottle as an aid for sleeping. Synonym: baby bottle syndrome. (05 Mar 2000) |
| bottle | 1. A hollow vessel, usually of glass or earthenware (but formerly of leather), with a narrow neck or mouth, for holding liquids. 2. The contents of a bottle; as much as a bottle contains; as, to drink a bottle of wine. 3. Intoxicating liquor; as, to drown one's reason in the bottle. Bottle is much used adjectively, or as the first part of a compound. Bottle ale, bottled ale. Bottle brush, a cylindrical brush for cleansing the interior of bottles. <marine biology> Bottle fish, a kind of deep-sea eel (Saccopharynx ampullaceus), remarkable for its baglike gullet, which enables it to swallow fishes two or three times its won size. Bottle flower. <botany> An Australian tree (Sterculia rupestris), with a bottle-shaped, or greatly swollen, trunk. Feeding bottle, Nursing bottle, a bottle with a rubber nipple (generally with an intervening tubve), used in feeding infants. Origin: OE. Bote, botelle, OF. Botel, bouteille, F. Bouteille, fr. LL. Buticula, dim. Of butis, buttis, butta, flask. Cf. Butt a cask. Source: Websters Dictionary (01 Mar 1998) |
| bottle cell | <embryology> The first cells to migrate inwards at the blastopore during amphibian gastrulation. The neck of the bottle is at the outer surface of the embryo. (18 Nov 1997) |
| bottle feeding | Use of nursing bottles for feeding. Applies to humans and animals. (12 Dec 1998) |
| bottle-nose | <zoology> 1. A cetacean of the Dolphin family, of several species, as Delphinus Tursio and Lagenorhyncus leucopleurus, of Europe. 2. The puffin. Source: Websters Dictionary (01 Mar 1998) |