| blue jay | <zoology> The common jay of the United States (Cyanocitta, or Cyanura, cristata). The predominant colour is bright blue. Source: Websters Dictionary (01 Mar 1998) |
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| blue line | A bluish line along the free border of the gingiva, occurring in chronic heavy metal poisoning. (05 Mar 2000) |
| blue naevus | <dermatology> A nonmalignant accumulation of highly pigmented melanocytes deep in the dermis. (16 Dec 1997) |
| blue nevus | A dark blue or blue-black nevus covered by smooth skin and formed by heavily pigmented spindle-shaped or dendritic melanocytes in the reticular dermis. Synonym: Jadassohn-Tieche nevus. (05 Mar 2000) |
| blue oedema | The swelling and cyanosis of an extremity in hysterical paralysis. (05 Mar 2000) |
| blue ointment | A grease-based ointment containing 20% finely divided metallic mercury, formerly widely used for local application to the skin for the destruction of body lice. Risk is associated with transdermal absorption of mercury and a local dermatitis. Synonym: mild mercurial ointment. (05 Mar 2000) |
| blue pus | Pus tinged with pyocyanin, a product of Pseudomonas aeruginosa. (05 Mar 2000) |
| blue pus bacillus | A species of gram-negative, aerobic, rod-shaped bacteria commonly isolated from clinical specimens (wound, burn, and urinary tract infections). It is also found widely distributed in soil and water. P. Aeruginosa is a major agent of nosocomial infection. (12 Dec 1998) |
| blue rubber bleb nevus syndrome | <radiology> Bean syndrome, sporadic (some autosomal dominant), rubbery, raised blue-black skin nevi (cavernous haemangiomata, 0.1 - 5 cm), GI mucosal haemangiomata, bowel: polypoid filling defects of varying sizes, visceral haemangiomata (by angio) associated with: leukaemia, medulloblastoma, hypernephroma, Mafucci syndrome More info: blue rubber bleb nevus syndrome (12 Dec 1998) |
| blue rubber-bleb nevi | A syndrome characterised by erectile, easily compressible, thin-walled haemangiomatous nodules, widely distributed in the skin and in the alimentary canal, and sometimes in other tissues; lesions in the gut may perforate or cause haemorrhage, and the patient may be anaemic from continual bleeding. (05 Mar 2000) |
| blue sclera | (05 Mar 2000) |
| blue shield | A prepaid health insurance plan for costs of physicians' services. (12 Dec 1998) |
| blue spot | A bluish stain on the skin caused by the bites of fleas or lice, especially pediculosis pubis. Synonym: blue spot, tache bleuatre. (05 Mar 2000) |
| blue toe syndrome | <syndrome> Atherothrombotic microembolism of the lower extremities due to recurrent cholesterol embolic 'showers' with painful cyanotic discoloration of the toes and embolism to other sites that completely resolve between attacks. Despite the gangrene-like appearance, blue toes may respond to conservative therapy without amputation. (12 Dec 1998) |
| blue vision | A condition in which all objects appear blue; may temporarily follow cataract extraction. Synonym: blue vision, cyanopia. Origin: cyano-+ G. Opsis, vision (05 Mar 2000) |
Synonyms : Blue Tongue Virus, Blue Tongue Viruses, Bluetongue Viruses
Synonyms : Blushings
| blue gum |
tall fast-growing timber tree with leaves containing a medicinal oil; young leaves are bluish
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| bluegrass |
any of various grasses of the genus Poa an area in central Kentucky noted for it bluegrass and thoroughbred horses a type of country music played at a rapid tempo on banjos and guitars
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| bluenose |
Nova Scotian: a native or inhabitant of Nova Scotia
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| bluetongue |
a viral disease of sheep and cattle that is transmitted by biting midges
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| blur |
film over: become glassy; lose clear vision; "Her eyes glazed over from lack of sleep" to make less distinct or clear; "The haze blurs the hills" confuse: make unclear, indistinct, or blurred; "Her remarks confused the debate"; "Their words obnubilate their intentions" smear: make a smudge on; soil by smudging make dim or indistinct; "The drug blurs my vision" become vague or indistinct; "The distinction between the two theories blurred" a hazy or indistinct representation; "it happened so fast it was just a blur"; "he tried to clear his head of the whisky fuzz"
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| BLU | any of numerous small chiefly blue butterflies of the family Lycaenidae |
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| BLU | the sodium salt of amobarbital that is used as a barbiturate |
| BLU | blue clothing |
| BLU | the color of the clear sky in the daytime |
| BLU | any organization or party whose uniforms or badges are blue |
| BLU | the sky as viewed during daylight |
| BLU | used to whiten laundry or hair or give it a bluish tinge |
| BLU | turn blue |
| BLU | causing dejection |
| BLU | having a color similar to that of a clear unclouded sky |
| BLU | characterized by or marked with a bluish color |
| BLU | tinged with blue or purple from cold or contusion |