(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.
Saturnine
Definition:
(a.) Born under, or influenced by, the planet Saturn.
(a.) Heavy; grave; gloomy; dull; -- the opposite of mercurial; as, a saturnine person or temper.
(a.) Of or pertaining to lead; characterized by, or resembling, lead, which was formerly called Saturn.
Example Sentences:
(1) The history of saturnine gout is almost as old as civilization itself.
(2) barks saturnine sheriff "Duke" Perkins, his smalltown beard quivering with indignation.
(3) Acute attacks in saturnine gout are frequently polyarticular and tophi rarely develop.
(4) "The more Smith talks about his role as reluctant pop star, the more the claustrophobic tone of Bastille's saturnine pop makes sense.
(5) The finely chiselled, rather saturnine features and piercing eyes were those of a colonial magistrate rather than a bland television personality.
(6) The clinical features of saturnine gout are essentially similar to those of primary gout; however, acute attacks tend to occur in the knee more frequently than the first metatarsophalangeal joint.
(7) Facebook Twitter Pinterest It also captures Kovtun, a saturnine figure in a dark jacket, who flew to London from Hamburg.
(8) Incomplete regression of paralysis and persistant biological abnormalities after chelating treatment were demonstrative of heavy saturnine load even though the toxic exposure was brief.
(9) Among these diseases, lead or saturnine poisoning (colica saturnina) caused by lead monoxide PbO, also known as litharge, was much dreaded (a 17th-century physician from Goslar wrote a treatise on "Lithargyrii fumo noxio morbifico, vulgo dicto 'pit cat'"); a miner's disease associated with phthisis and pareses of a then unknown etiology; and in some cases even with hookworm disease that was much later recognised as yet another professional disease of miners.
(10) One hundred fifty years ago a young but distinguished French scientist, L. Tanquerel des Planches, published a most comprehensive work dealing with almost every known clinical, epidemiological, and occupational aspect of lead poisoning, Traité des Maladies de Plomb ou Saturnines exposing in its second volume, Paralysie de Plomb ou Saturnine his invaluable experience on lead palsy.
(11) Young off-duty local waiters for the most part, sallow and saturnine or handsomely jowly, smoking furiously between sets in the high cold frozen sun before they diligently remount the high cold frozen metal stairs past a flutter of busy-bee BBC continuity wizards: loop-fed multilingual script editors with one eye and one ear on the monitor, one ear clamped to a headphone, chill mittened fingers rewinding pages, an impossible third ear half-tuned to shouted stage directions.
(12) The relationship of these studies with guanase and to the etiology and treatment of saturnine gout, which appears in humans suffering from lead poisoning, is discussed.
(13) Chronic lead exposure is also implicated in the development of saturnine gout and hypertension.
(14) This provides a quantitative insight of the previously described 'capillary activation' phenomenon, caused by lead encephalopathy and reveals it as a significant sequel of saturnine action.
(15) As an actor in rep in the 50s, Pinter was always cast as the saturnine heavy, the man who could turn nasty at any moment, and he retains that aura, a still energy, a volcano that might just blow.
(16) The relation of these findings to saturnine gout is discussed.
(17) If Michelle had dressed herself and her daughters for defeat, she could hardly have chosen anything more saturnine.
(18) The diagnosis of saturnine gout rests on the history of exposure to lead, clinical features of lead toxicity, biochemical confirmation of high serum lead levels and other biochemical abnormalities, and the exclusion of other forms of gout.