| yellowbird | <zoology> The American goldfinch, or thistle bird. See Goldfinch. The common yellow warbler; called also summer yellowbird. Source: Websters Dictionary (01 Mar 1998) |
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| yellowfin | <zoology> A large squeteague. Source: Websters Dictionary (01 Mar 1998) |
| yellowfish | <zoology> A rock trout (Pleurogrammus monopterygius) found on the coast of Alaska. Synonym: striped fish, and Atka mackerel. Source: Websters Dictionary (01 Mar 1998) |
| yellowhammer | <zoology> A common European finch (Emberiza citrinella). The colour of the male is bright yellow on the breast, neck, and sides of the head, with the back yellow and brown, and the top of the head and the tail quills blackish. Synonym: yellow bunting, scribbling lark, and writing lark. Alternative forms: yellow-ammer. The flicker. Origin: For yellow-ammer, where ammer is fr. AS. Amore a kind of bird; akin to G. Ammer a yellow-hammer, OHG. Amero. Source: Websters Dictionary (01 Mar 1998) |
| yellowlegs | <zoology> Any one of several species of long-legged sandpipers of the genus Totanus, in which the legs are bright yellow. Synonym: stone snipe, tattler, telltale, yellowshanks; and yellowshins. See Tattler. Source: Websters Dictionary (01 Mar 1998) |
| yellowroot | <botany> Any one of several plants with yellow roots. Specifically: See Xanthorhiza. Same as Orangeroot. Source: Websters Dictionary (01 Mar 1998) Previous: yellow mercury iodide, yellow nail, yellow nail syndrome, yellow precipitateNext: yellow root, yellows, yellowseed, yellowshins, yellow skinyellow root hydrastis |
| yellows | 1. <veterinary> A disease of the bile in horses, cattle, and sheep, causing yellowness of the eyes; jaundice. "His horse . . . Sped with spavins, rayed with the yellows." (Shak) 2. <botany> A disease of plants, especially. Of peach trees, in which the leaves turn to a yellowish colour; jeterus. 3. <zoology> A group of butterflies in which the predominating colour is yellow. It includes the common small yellow butterflies. Synonym: redhorns, and sulphurs. See Sulphur. Source: Websters Dictionary (01 Mar 1998) |
| yellowseed | <botany> A kind of pepper grass (Lepidium campestre). Source: Websters Dictionary (01 Mar 1998) |
| yellowshins | <zoology> See Yellolegs. Source: Websters Dictionary (01 Mar 1998) |
| yellowtail | <zoology> Any one of several species of marine carangoid fishes of the genus Seriola; especially, the large California species (S. Dorsalis) which sometimes weighs thirty or forty pounds, and is highly esteemed as a food fish. Synonym: cavasina, and white salmon. The mademoiselle, or silver perch. The menhaden. The runner. A California rockfish (Sebastodes flavidus). The sailor's choice (Diplodus rhomboides). Several other fishes are also locally called yellowtail. Source: Websters Dictionary (01 Mar 1998) |
| yellowthroat | <zoology> Any one of several species of American ground warblers of the genus Geothlypis, especially. The Maryland yellowthroat (G. Trichas), which is a very common species. Source: Websters Dictionary (01 Mar 1998) |
| yellowtop | <botany> A kind of grass, perhaps a species of Agrostis. Source: Websters Dictionary (01 Mar 1998) |
| yellowwood | <botany> The wood of any one of several different kinds of trees; also, any one of the trees themselves. Among the trees so called are the Cladrastis tinctoria, an American leguminous tree; the several species of prickly ash (Xanthoxylum); the Australian Flindersia Oxleyana, a tree related to the mahogany; certain South African species of Podocarpus, trees related to the yew; the East Indian Podocarpus latifolia; and the true satinwood (Chloroxylon Swietenia). All these Old World trees furnish valuable timber. Source: Websters Dictionary (01 Mar 1998) |
| yellowwort | <botany> A European yellow-flowered, gentianaceous (Chlora perfoliata). The whole plant is intensely bitter, and is sometimes used as a tonic, and also in dyeing yellow. Source: Websters Dictionary (01 Mar 1998) |
| yelper | An animal that yelps, or makes a yelping noise. <zoology> Specifically: The avocet; so called from its sharp, shrill cry. The tattler. Source: Websters Dictionary (01 Mar 1998) |
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| Y chromosome |
A sex chromosome that when present is found in one copy in the heterogametic sex, along with an X chromosome, and is not present in the homogametic sex. Not all organisms with sex chromosomes have aY chromosome.
Ãâó: www.modernhumanorigins.com/y.html
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| yoke |
1. Brace clamped around a form when a concrete column is being poured. Metal mounting strap on an electrical receptacle. 2. Also called a head jamb, it's the upper horizontal finish member in a window frame.
Ãâó: www.peakagents.ca/glossary/y1.htm
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| yolk sac |
a membrane-bound compartment in the amniotic egg which contains stored food for the developing embryo.
Ãâó: www.palaeos.com/Vertebrates/Lists/Glossary/Glossar...
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| yellow fever |
A viral disease occuring in central Africa and central and south America, spread by mosquitoes. Fever and headache after a 48 hours incubation period are mild symptoms, but the disease can be severe, including nausea, vominting and constipation. Only symptomatic supportive therapy is available.
Ãâó: www.gastrolab.net/dictey.htm
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| Yersinia |
A group of gram-negative anaerobic rod-shaped bacterias belonging to the Enterobacteriaceae-family. To this bacteria genus belongs Yersinia pestis, the bacteria causing plague, and Yersinia enterocolitica and Yersinia pseudotuberculosis, bacterias causing acute bowel infections in humans.
Ãâó: www.gastrolab.net/dictey.htm
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| y | the cardinal number that is the product of 10 and 100 |
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| y | merchandise in the form of fabrics sold by the yard |
| y | coarse annual grass having fingerlike spikes of flowers |
| y | (football) a marker indicating the yardline |
| y | a ruler or tape that is three feet long |
| y | an outdoor sale of used personal or household items held on the seller's premises |
| y | South American bean having very long succulent pods |
| y | distance measured in the aggregate number of yards |
| y | either end of the yard of a square-rigged ship |
| y | United States saxophonist and leader of the bop style of jazz (1920-1955) |
| y | something a given number of yards long |
| y | coarse annual grass having fingerlike spikes of flowers |
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