(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.
Ink
Definition:
(n.) The step, or socket, in which the lower end of a millstone spindle runs.
(n.) A fluid, or a viscous material or preparation of various kinds (commonly black or colored), used in writing or printing.
(n.) A pigment. See India ink, under India.
(v. t.) To put ink upon; to supply with ink; to blacken, color, or daub with ink.
Example Sentences:
(1) She got it when Alyssa was born and her daughter’s name is inked in black just above her wrist.
(2) Histologically, the ink was noted within macrophages which aggregated around blood vessels.
(3) The root canal anatomy of 149 mandibular second molars was studied using a technique in which the pulp was removed, the canal space filled with black ink and the roots demineralized and made transparent.
(4) After visualization with an avidin-biotin alkaline phosphatase procedure, the blot is post-stained with India ink to visualize the protein pattern context.
(5) Twitter and Facebook were filling up with pictures of proud, defiant Afghans holding up fingers stained with ink.
(6) The media is utterly self-obsessed and we get more ink than perhaps we should do.
(7) The apical 5 to 6 mm of the filling materials were exposed to india ink for 48 hours.
(8) The unesterified resins are mainly used in paper size and the esters in printing inks, varnishes and adhesives.
(9) "It is a good idea," she noted in blue ink on the letter, "but not at that price.
(10) When my floor was dirty, I rose early, and, setting all my furniture out of doors on the grass, bed and bedstead making but one budget, dashed water on the floor, and sprinkled white sand from the pond on it, and then with a broom scrubbed it clean and white... Further - and this is a stroke of his sensitive, pawky genius - he contemplates his momentarily displaced furniture and the nuance of enchanting strangeness: It was pleasant to see my whole household effects out on the grass, making a little pile like a gypsy's pack, and my three-legged table, from which I did not remove the books and pen and ink, standing amid the pines and hickories ...
(11) The microvascularization of the sternum of the child has been studied by a method of India ink injection and by histology.
(12) The government is expected to borrow £165.7bn this year to balance the books, with further massive borrowing already inked in for future years.
(13) These are very accomplished people and they’ve never seen so much red ink on their copy.” And yet Ademo says he would welcome more submissions from scholars.
(14) The anatomy of the venous system was determined from observations of vascular casts in adult rats; the development of the vascular system was established by examination of ink-injected embryos.
(15) The pad is saturated with gentian violet ink which enables an ideal transfer of inked marks from the marker to the eye or skin.
(16) An immune Indian ink micro-agglutination method has been evolved for the detection of an antigen present in the blood associated with infectious hepatitis (called IHxAg).
(17) A version of the Stroop colour-word test was used, in which the words 'red' and 'green' were presented in the complementary coloured 'ink'.
(18) The transplants survived and at 7 days were able to entrap india ink particles, or particles of radioactive gold, injected in the distal part of the extremity.
(19) The staining sensitivity of directly blotted proteins is about 200 ng protein per band as revealed by India ink staining.
(20) Phagocytosis of India ink and nitroblue tetrazolium (NBT) reduction were revealed tend to be increased, but not exceeded significantly to normal range.