(a.) Destitute, or partially destitute, of light; not receiving, reflecting, or radiating light; wholly or partially black, or of some deep shade of color; not light-colored; as, a dark room; a dark day; dark cloth; dark paint; a dark complexion.
(a.) Not clear to the understanding; not easily seen through; obscure; mysterious; hidden.
(a.) Destitute of knowledge and culture; in moral or intellectual darkness; unrefined; ignorant.
(a.) Evincing black or foul traits of character; vile; wicked; atrocious; as, a dark villain; a dark deed.
(n.) Absence of light; darkness; obscurity; a place where there is little or no light.
(n.) The condition of ignorance; gloom; secrecy.
(n.) A dark shade or dark passage in a painting, engraving, or the like; as, the light and darks are well contrasted.
(v. t.) To darken to obscure.
Example Sentences:
(1) And that, as much as the “on water, operational” considerations, is why we are being kept in the dark.
(2) The first group was reared in complete darkness while the second one was subjected to permanent noise.
(3) In the dark the 6-azidoflavoproteins are quite stable, except for L-lactate oxidase, where spontaneous conversion to the 6-amino-FMN enzyme occurs slowly at pH 7.
(4) Most notably, retroperitoneal lymph nodes in rabbits remained dark blue up to 28 days after hindlimb endolymphatic instillation of liposomal patent blue.
(5) In the dark cortical zone of the nodes (III group) there occur tissue basophils (mast cells), that, together with increasing number of acidophilic granulocytes and appearance of neutrophilic cells, demonstrates that there is an inflammatory reaction in the organ studied as a response to the lymphocytic suspension injected.
(6) 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.
(7) We were searching for spontaneous and positional nystagmus in 5 positions with open eyes in darkness and with closed eyes.
(8) Previous FTIR measurements have identified several tyrosine residues that change their absorption characteristics between light-adapted BR and dark-adapted BR, or between intermediates K and M [Dollinger, G., Eisenstein, L., Lin, S.-L., Nakanishi, K., Odashima, K., & Termini, J.
(9) Steady state levels of chloroplast mRNA encoding the core PSII polypeptides remain nearly constant in the light or the dark and are not affected by the developmental stage of the plastid.
(10) The second triplet, which was stable in the dark at 4.2 K following illumination, was assigned to the radical pair Donor+I-.
(11) The results indicate that CRALBP X 11-cis-retinol is sufficiently stereoselective in its binding properties to warrant consideration as a component of the mechanism for the generation of 11-cis-retinaldehyde in the dark.
(12) Although the Ca2+-independent mechanism accounts for about two thirds of the total acetylcholine release in the dark, the amount of acetylcholine released in this way is small compared with the release of acetylcholine triggered by stimulation of the retina with light.
(13) The extracellular concentration of GABA is probably high in prolonged darkness, and it is low after prolonged light exposure.
(14) In lettuce, the presence of 2,4-D in the light lowered the concentration of total Hg (or MeHg) required to reduce growth by 50%, about 13 times relative to that in the dark (i.e., it sensitized the cells).
(15) This suggests that many retinal ganglion cells continue to discharge in total darkness for long periods.
(16) In darkness, raising the concentration of K in the fluid of perfusion gives an increase of the efflux of (86)Rb and increasing the extracellular concentration of Ca yields a retention.
(17) Upon illumination, a dark-adapted photosynthetic sample shows time-dependent changes in chlorophyll (Chl) a fluorescence yield, known as the Kautsky phenomenon or the OIDPS transient.
(18) One elderly woman was left alone in the dark for hours unable to find food or drink.
(19) These observations indicated a novel mechanism that in the absence of light-dark schedule, mothers taught the circadian rhythm to the pups as they raised them.
(20) It was observed that the circadian rhythm was disrupted by injections of lithium at the beginning of the light as well as the dark phase of the LD cycle.
Dimness
Definition:
(n.) The state or quality / being dim; lack of brightness, clearness, or distinctness; dullness; obscurity.
(n.) Dullness, or want of clearness, of vision or of intellectual perception.
Example Sentences:
(1) The birds were maintained at a constant temperature in, dim green light.
(2) There was good agreement between the survival of normally oxygenated cells in culture and bright cells from tumors and between hypoxic cells in culture and dim cells from tumors over a radiation dosage range of 2-5 Gray.
(3) The frequencies of the various anaphase patterns of bright and dim centromere regions were binomially distributed, indicating random distribution of chromatids with respect to the age of their DNA templates.
(4) It will be of particular importance to determine the amount and proportions of lymphokines secreted by T lymphocytes within the mucosal microenvironment, since properties of cells in the peripheral blood or even bronchoalveolar lavage (BAL) fluid are likely to reflect only dimly those of cells at this site.
(5) She walks past stack after stack of books kept behind metal cages, the shelves barely visible in the dim light from the frosted-glass windows.
(6) If Summer had had a hard time singing Love To Love You (only when Moroder cleared the studio and dimmed the lights did she finally capture the voluptuous feel she was after), listening to the thing presented an even stiffer test.
(7) In this study, the problem of masking was minimized by measuring the timing of melatonin production under dim light conditions.
(8) 1,4-Dideoxy-1,4-imino-D-mannitol (DIM) was synthesized chemically from benzyl-alpha-D-mannopyranoside [Fleet et al (1984) J. Chem.
(9) A circadian rhythm of nociception was displayed by hamsters maintained for 30 days in constant dim light.
(10) The superior fascicle is whitish, dimmed and frequently thinner than the others and was classified under 4 patterns, according to its insertion.
(11) Concert posters that play music when you touch them have been discussed, while an artist has mixed the paint with oil in a lamp so that when the lamp is tilted, the light dims.
(12) Yet its outrage dims when the models – the same models who appear in the usual shows, mind – are walking on the runway in underwear as opposed to haute couture.
(13) In Moscow, the Russian foreign ministry took a dim view of this Guardian report on the Balkan events.
(14) A method for determining the spectral sensitivity of the different color mechanisms of the human eye uses the pattern of color names applied to small, brief, dim, monochromatic flashes.
(15) Individuals complaining of disturbed sleep that was verified by polysomnographic indices (objective DIMS) and a group with complaints of disturbed sleep in the absence of objective findings (subjective DIMS) were compared with normal sleepers.
(16) The pupillary response to 50 microliter of pilocarpine 0.0625% in darkness, dim light, and bright light was measured photographically in 15 healthy adults.
(17) Sandwood Bay in Scotland Photograph: Alamy Am Buachaille, a rocky sea stack, stood guard-like to one side, the giant grey slabs which cut into the sea were bathed in frothing waves, and the dim glow of the Cape Wrath lighthouse sent out a muted white beam beyond the cliffs to my right.
(18) Women generally reported a significantly higher prevalence of both disorders of initiating and maintaining sleep (DIMS) and nightmares (NM)(p less than .001).
(19) Experimental conditions were as similar as possible to those used in a separate study in which psychophysical absolute thresholds were measured: large, dim, monochromatic spots 1 sec in duration were projected close to the right eye of alert, self-respiring goldfish.
(20) An extended source gives a dim erect image in the tract region that may come from the pattern of illumination radiating from the cut ends of the tracts.