What's the difference between color and nacreous?

Color


Definition:

  • (n.) A property depending on the relations of light to the eye, by which individual and specific differences in the hues and tints of objects are apprehended in vision; as, gay colors; sad colors, etc.
  • (n.) Any hue distinguished from white or black.
  • (n.) The hue or color characteristic of good health and spirits; ruddy complexion.
  • (n.) That which is used to give color; a paint; a pigment; as, oil colors or water colors.
  • (n.) That which covers or hides the real character of anything; semblance; excuse; disguise; appearance.
  • (n.) Shade or variety of character; kind; species.
  • (n.) A distinguishing badge, as a flag or similar symbol (usually in the plural); as, the colors or color of a ship or regiment; the colors of a race horse (that is, of the cap and jacket worn by the jockey).
  • (n.) An apparent right; as where the defendant in trespass gave to the plaintiff an appearance of title, by stating his title specially, thus removing the cause from the jury to the court.
  • (v. t.) To change or alter the hue or tint of, by dyeing, staining, painting, etc.; to dye; to tinge; to paint; to stain.
  • (v. t.) To change or alter, as if by dyeing or painting; to give a false appearance to; usually, to give a specious appearance to; to cause to appear attractive; to make plausible; to palliate or excuse; as, the facts were colored by his prejudices.
  • (v. t.) To hide.
  • (v. i.) To acquire color; to turn red, especially in the face; to blush.

Example Sentences:

  • (1) Using an in vitro culture system, light scatter analyses, and two-color flow cytometry, we provide evidence that the interleukin-2 (IL-2) and transferrin receptors can be induced within 48 hr on nonproliferating immature thymocytes.
  • (2) A sensitive color reaction after two-dimensional TLC described earlier for zeranol determination in veal samples is proposed for the detection of the zeranol metabolite zearalanone and the mycotoxin zearalenone.
  • (3) Experiment 3 showed that the color-induced increase in odor intensity is not due to subjects' preexperimental experience with particular color-odor combinations, because the increase occurred with novel ones.
  • (4) In 60 rhesus monkeys with experimental renovascular malignant arterial hypertension (25 one-kidney and 35 two-kidney model animals), we studied the so-called 'hard exudates' or white retinal deposits in detail (by ophthalmoscopy, and stereoscopic color fundus photography and fluorescein fundus angiography, on long-term follow-up).
  • (5) Urinalysis revealed a low pH, increased ketones and bilirubin excretion, dark yellowish change in color, the appearance of "leaflet-shaped" crystals and increased red blood cells and epithelial cells in the urinary sediment, increased water intake, decreased specific gravity and decreased sodium, potassium and chloride in the urine.
  • (6) Contrary to previous reports, approximately 20% of the neurons in V3 were color selective in terms of showing a severalfold greater response to the best monochromatic wavelength compared with the worst.
  • (7) By using various colors, it is possible to tattoo a nipple-areola complex onto the breast that will have an illusion of projection.
  • (8) A semiautomated colorimetric assay (MTT assay), based on the ability of live cells to reduce a tetrazolium-based compound, 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide (MTT), to a purplish colored formazan product that can be measured spectrophotometrically, has recently been adapted for use in drug sensitivity analysis of cultured human tumor cell lines.
  • (9) Fifty-one severely retarded adults were taught a difficult visual discrimination in an assembly task by one of three training techniques: (a) adding and reducing large cue differences on the relevant-shape dimension; (b) adding and fading a redundant-color dimension; or (c) a combination of the two techniques.
  • (10) Estimated by SSST, the FAFol, which employs the stool with the highest content of 51Cr corresponding to the most carmine-colored stool, correlated closely with the FAFol based on complete stool collection (r = 0.96, n = 39, p less than 0.0001).
  • (11) As for fish attractiveness, motion, freshness, size, color and species were found as important parameters in the food-preference mechanism.
  • (12) Although the lens did not alter stereopsis, it did produce severe color discrimination losses for normal and dichromatic subjects.
  • (13) The respiratory functions of the oropharynx, larynx, and trachea of normal human fetuses in utero were explored by means of real-time, two-dimensional ultrasonography combined with color-flow and spectral Doppler analysis.
  • (14) A precise record of gingival color helps to follow-up oral and systemic diseases.
  • (15) Duplex and color Doppler sonography have become indispensable for evaluating the major vessels of the abdomen.
  • (16) The colors of mixtures of dental opaque porcelains and modifiers were measured with use of the CIE L*a*b* uniform color space.
  • (17) It appears, therefore, that the aggregation and dispersion of pigment within the melanophores is the primary mechanism responsible for the changes in color of this species.
  • (18) This section includes a description of the presentations on the pages, the use of color in the scans, and the use of certain advanced features of the ACTA-Scanner, the scanner used for the atlas.
  • (19) The use of the pellet binder "Lingnosol FG" in broiler diets at three levels plus a control group revealed differences in the consistency, quantity and color of the caecal contents between the treated and untreated groups.
  • (20) It was concluded that visualization of the intracranial venous system with color Doppler US is possible in the majority of healthy neonates.

Nacreous


Definition:

  • (a.) Consisting of, or resembling, nacre; pearly.

Example Sentences:

  • (1) When nacreous shell produced by the marine oyster Pinctada maxima, used as a biomaterial in oral surgery, is implanted in human bone, new bone formation occurs, resulting in a tight welding of the bone to the nacre [16].
  • (2) Etching with the glutaraldehyde-acetic acid solution reveals that the nacreous tablets in Mytilus, Nucula, and Unio are composed of four crystal individuals which occur in two structurally different pairs and which are probably cyclically twinned.
  • (3) The crystalline phases at the first few lamellae were mostly imperfect while the whole nacreous layer acquitted itself into a highly oriented biomineralized aragonite.
  • (4) From these morphological observations, a regulatory role for the various periostracal layers in mineral trapping, nucleation, and the subsequent formation of the prismatic and nacreous layers of the shell can be postulated.
  • (5) In all three genera, the nucleation of new nacreous tablets invariably takes place on the top surface of the less-soluble crystal individuals.
  • (6) Transmission electron microscope studies of the cellular nucleation sites of a biomineralized calcium carbonate(aragonite) in the lamellar nacreous layer of the bivalvia Cristaria plicata (Leach) shell showed that the low density calcium particles were confined within some large vesicles of the bivalve mantle cells on which the crystalline aragonite phases were deposited.
  • (7) The stack-like growth of the nacreous tablets in the marginal region of the shell in Nucula is probably related to the exceptionally large-sized, less-soluble crystal individuals in the nacreous tablets of this region.
  • (8) DA is half-moonish and white-nacreous in rodents; its upper surface presents a longitudinal crest.
  • (9) Larval Schistosoma mansoni have been shown to induce morphological changes to the internal calcium reserves (in particular the calcareous inclusions in Type A calcium cells and to the inner, nacreous layer of the shell) of Biomphalaria glabrata within 48 h of miracidial penetration.
  • (10) Upon cessation of flow, the nacreous effect decays in 2-3 min, corresponding to the time required for the discs to achieve random orientations by rotatory Brownian motion.
  • (11) The reaction product was conspicuous in the cell walls and tended to be concentrated in the middle lamella and in the nacreous wall layer of the differentiating sieve elements.

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