shading
| shad | <zoology> Any one of several species of food fishes of the Herring family. The American species (Clupea sapidissima), which is abundant on the Atlantic coast and ascends the larger rivers in spring to spawn, is an important market fish. The European allice shad, or alose (C. Alosa), and the twaite shad. (C. Finta), are less important species. Alternative forms: chad. The name is loosely applied, also, to several other fishes, as the gizzard shad (see under Gizzard), called also mud shad, white-eyed shad, and winter shad. Hardboaded, or Yellow-tailed, shad, the menhaden. Hickory, or Tailor, shad, the mattowacca. Long-boned shad, one of several species of important food fishes of the Bermudas and the West Indies, of the genus Gerres. <botany> Shad bush, a name given to the North American shrubs or small trees of the rosaceous genus Amelanchier (A. Canadensis, and A. Alnifolia) Their white racemose blossoms open in April or May, when the shad appear, and the edible berries (pomes) ripen in June or July, whence they are called Juneberries. The plant is also called service tree, and Juneberry. Shad frog, an American spotted frog (Rana halecina); so called because it usually appears at the time when the shad begin to run in the rivers. Trout shad, the squeteague. White shad,the common shad. Origin: AS. Sceadda a kind of fish, akin to Prov. G. Schade; cf. Ir. & Gael. Sgadan a herring, W. Ysgadan herrings; all perhaps akin to E. Skate a fish. Source: Websters Dictionary (01 Mar 1998) |
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| shad-waiter | <zoology> A lake whitefish; the roundfish. See Roundfish. Source: Websters Dictionary (01 Mar 1998) |
| shadbird | <zoology> The American, or Wilson's, snipe. See Snipe. So called because it appears at the same time as the shad. The common European sandpiper. Source: Websters Dictionary (01 Mar 1998) |
| shadd | <chemical> Rounded stones containing tin ore, lying at the surface of the ground, and indicating a vein. Source: Websters Dictionary (01 Mar 1998) |
| shaddock | <botany> A tree (Citrus decumana) and its fruit, which is a large species of orange. Synonym: forbidden fruit, and pompelmous. Origin: Said to be so called from a Captain Shaddock, who first brought this fruit from the East Indies. Source: Websters Dictionary (01 Mar 1998) |
| shade | 1. To shelter or screen by intercepting the rays of light; to keep off illumination from. "I went to crop the sylvan scenes, And shade our altars with their leafy greens." (Dryden) 2. To shelter; to cover from injury; to protect; to screen; to hide; as, to shade one's eyes. "Ere in our own house I do shade my head." (Shak) 3. To obscure; to dim the brightness of. "Thou shad'st The full blaze of thy beams." (Milton) 4. To pain in obscure colours; to darken. 5. To mark with gradations of light or colour. 6. To present a shadow or image of; to shadow forth; to represent. "[The goddess] in her person cunningly did shade That part of Justice which is Equity." (Spenser) Origin: Shaded; Shading. 1. Comparative obscurity owing to interception or interruption of the rays of light; partial darkness caused by the intervention of something between the space contemplated and the source of light. Shade differs from shadow as it implies no particular form or definite limit; whereas a shadow represents in form the object which intercepts the light. When we speak of the shade of a tree, we have no reference to its form; but when we speak of measuring a pyramid or other object by its shadow, we have reference to its form and extent. 2. Darkness; obscurity; often in the plural. "The shades of night were falling fast." (Longfellow) 3. An obscure place; a spot not exposed to light; hence, a secluded retreat. "Let us seek out some desolate shade, and there Weep our sad bosoms empty." (Shak) 4. That which intercepts, or shelters from, light or the direct rays of the sun; hence, also, that which protects from heat or currents of air; a screen; protection; shelter; cover; as, a lamp shade. "The Lord is thy shade upon thy right hand." (Ps. Cxxi. 5) "Sleep under a fresh tree's shade." (Shak) "Let the arched knife well sharpened now assail the spreading shades of vegetables." (J. Philips) 5. Shadow. "Envy will merit, as its shade, pursue." (Pope) 6. The soul after its separation from the body; so called because the ancients it to be perceptible to the sight, though not to the touch; a spirit; a ghost; as, the shades of departed heroes. "Swift as thought the flitting shade Thro' air his momentary journey made." (Dryden) 7. The darker portion of a picture; a less illuminated part. See Def. 1, above. 8. Degree or variation of colour, as darker or lighter, stronger or paler; as, a delicate shade of pink. "White, red, yellow, blue, with their several degrees, or shades and mixtures, as green only in by the eyes." (Locke) 9. A minute difference or variation, as of thought, belief, expression, etc.; also, the quality or degree of anything which is distinguished from others similar by slight differences; as, the shades of meaning in synonyms. "New shades and combinations of thought." (De Quincey) "Every shade of religious and political opinion has its own headquarters." (Macaulay) The Shades, the Nether World; the supposed abode of souls after leaving the body. Origin: OE. Shade, shadewe, schadewe, AS. Sceadu, scead; akin to OS. Skado, D. Schaduw, OHG. Scato, (gen. Scatewes), G. Schatten, Goth. Skadus, Ir. & Gael. Sgath, and probably to Gr. Darkness. Cf. Shadow, Shed a hat. Source: Websters Dictionary (01 Mar 1998) |
| shaded riverine aquatic cover | Near-shore aquatic area occurring at the interface between a stream and adjacent woody habitat. (09 Oct 1997) |
| shadow | 1. Shade within defined limits; obscurity or deprivation of light, apparent on a surface, and representing the form of the body which intercepts the rays of light; as, the shadow of a man, of a tree, or of a tower. See the Note under Shade. 2. Darkness; shade; obscurity. "Night's sable shadows from the ocean rise." (Denham) 3. A shaded place; shelter; protection; security. "In secret shadow from the sunny ray, On a sweet bed of lilies softly laid." (Spenser) 4. A reflected image, as in a mirror or in water. 5. That which follows or attends a person or thing like a shadow; an inseparable companion; hence, an obsequious follower. "Sin and her shadow Death." (Milton) 6. A spirit; a ghost; a shade; a phantom. "Hence, horrible shadow!" 7. An imperfect and faint representation; adumbration; indistinct image; dim bodying forth; hence, mystical reprresentation; type. "The law having a shadow of good things to come." (Heb. X. 1) "[Types] and shadows of that destined seed." (Milton) 8. A small degree; a shade. "No variableness, neither shadow of turning." 9. An uninvited guest coming with one who is invited. "I must not have my board pastered with shadows That under other men's protection break in Without invitement." (Massinger) Shadow of death, darkness or gloom like that caused by the presence or the impending of death. Origin: Originally the same word as shade. See Shade. 1. To cut off light from; to put in shade; to shade; to throw a shadow upon; to overspead with obscurity. "The warlike elf much wondered at this tree, So fair and great, that shadowed all the ground." (Spenser) 2. To conceal; to hide; to screen. "Let every soldier hew him down a bough. And bear't before him; thereby shall we shadow The numbers of our host." (Shak) 3. To protect; to shelter from danger; to shroud. "Shadoving their right under your wings of war." (Shak) 4. To mark with gradations of light or colour; to shade. 5. To represent faintly or imperfectly; to adumbrate; hence, to represent typically. "Augustus is shadowed in the person of neas." (Dryden) 6. To cloud; to darken; to cast a gloom over. "The shadowed livery of the burnished sun." (Shak) "Why sad? I must not see the face O love thus shadowed." (Beau & Fl) 7. To attend as closely as a shadow; to follow and watch closely, especially in a secret or unobserved manner; as, a detective shadows a criminal. Origin: OE. Shadowen, AS. Sceadwian. See adow. Source: Websters Dictionary (01 Mar 1998) |
| shadow cells | Immature leukocytes of any type that have undergone partial breakdown during preparation of a stained smear or tissue section, because of their greater fragility; smudge cell's are seen in largest numbers in chronic lymphocytic leukaemia. Synonym: basket cell, Gumprecht's shadows, shadow cells. (05 Mar 2000) |
| shadow corpuscle | A hypochromic, crescent-shaped erythrocyte, probably resulting from artifactual rupture of a red cell with loss of haemoglobin. Synonym: achromacyte, achromatocyte, ghost corpuscle, phantom corpuscle, Ponfick's shadow, shadow corpuscle, shadow, Traube's corpuscle. Origin: G. A-priv. + chroma, colour, + kytos, hollow (cell) (05 Mar 2000) |
| shadow mask | <microscopy> Also Aperture mask. In colour video monitors, a finely perforated or striped metal plate that is located between the three electron guns and the phosphor screen. The mask ensures that the electron beams carrying the R, G, and B signals land on the corresponding phosphors at every point in the picture. (05 Aug 1998) |
| shadow nucleus | A nucleus that has lost its pigment and staining properties. (05 Mar 2000) |
| shadow test | <physiology> The study of the retina of the eye by means of the ophthalmoscope. Origin: Retina + -scopy. Source: Websters Dictionary (01 Mar 1998) |
| shadow-cast replica | <microscopy> A replica which has been shadowed. See: shadowing. (05 Aug 1998) |
| shadow-casting | Deposition of a film of carbon or certain metals such as palladium, platinum, or chromium on a contoured microscopic object in order to allow the object to be seen in relief with the electron microscope or sometimes with the light microscope. (05 Mar 2000) |
Synonyms : Shadowing, Shadowings, Shadowings (Histology)
| shadow |
shade within clear boundaries darkness: an unilluminated area; "he moved off into the darkness" apparition: something existing in perception only; "a ghostly apparition at midnight" a premonition of something adverse; "a shadow over his happiness" trace: an indication that something has been present; "there wasn't a trace of evidence for the claim"; "a tincture of condescension" refuge from danger or observation; "he felt secure in his father's shadow" follow, usually without the person's knowledge; "The police are shadowing her" a dominating and pervasive presence; "he received little recognition working in the shadow of his father" tail: a spy employed to follow someone and report their movements cast a shadow over make appear small by comparison; "This year's debt dwarves that of last year" an inseparable companion; "the poor child was his mother's shadow"
Ãâó: wordnet.princeton.edu/perl/webwn
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| shadowing |
following surreptitiously; keeping under surveillance; "always on guard against shadowing submarines" the act of following someone secretly
Ãâó: wordnet.princeton.edu/perl/webwn
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| shadow |
A shadow is a dark shape, e.g. on the ground or a wall, caused by an object (or person, etc.) blocking light. ...
Ãâó: en.wikipedia.org/wiki/Shadow
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| shadow |
-----In Jungian psychology, the shadow is a part of the unconscious mind which is mysterious and often disagreeable to the conscious mind, but which is also relatively close to the conscious mind. It may be (in part) one's original self, which is superseded during early childhood by the conscious mind; afterwards it comes to contain thoughts that are repressed by the conscious mind. The shadow is instinctive and irrational, but is not necessarily evil even when it might appear to be so. ...
Ãâó: en.wikipedia.org/wiki/Shadow_(psychology)
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| shadow |
In radar, an azimuth sector with no echoes because the transmitted signal is masked by local prominences such as hills or buildings.
Ãâó: amsglossary.allenpress.com/glossary/browse
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| shad | herring-like food fishes that migrate from the sea to freshwater to spawn |
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| shad | bony flesh of herring-like fish usually caught during their migration to fresh water for spawning |
| shad | roe of shad |
| shad | edible purple or red berries |
| shad | any of various North American trees or shrubs having showy white flowers and edible blue-black or purplish fruit |
| shad | any of various North American trees or shrubs having showy white flowers and edible blue-black or purplish fruit |
| shad | large pear-shaped fruit similar to grapefruit but with coarse dry pulp |
| shad | southeastern Asian tree producing large fruits resembling grapefruits |
| shad | protective covering that protects something from direct sunlight |
| shad | a representation of the effect of shade in a picture or drawing (as by shading or darker pigment) |
| shad | a quality of a given color that differs slightly from a primary color |
| shad | a mental representation of some haunting experience |
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