(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.
Grim
Definition:
(Compar.) Of forbidding or fear-inspiring aspect; fierce; stern; surly; cruel; frightful; horrible.
Example Sentences:
(1) This is the grim Fury on a rainy winter morning in Cannes.
(2) The level of prescribing of opioid painkillers – Percocet in Geni’s case – has soared, and with it the incidence of addiction, and addiction’s grim best friend: fatal overdoses.
(3) Patients with anti-NC1 antibodies were characterised by linear immune deposits along the glomerular basement membrane and the clinical outcome was invariably grim.
(4) The Mail branded the deal "a grim day for all who value freedom" and, like the Times, accused David Cameron of crossing the Rubicon and threatening press freedom for the first time since newspapers were licensed in the 17th century.
(5) ARD TV showing grim-faced FDP cadres: could this be the first time they fall out of national parliament in 60 years?
(6) It has said a better productivity performance and rising North Sea oil revenues will make the budgetary position less grim.
(7) Shields accepted that the Irish appeared more inclined to send up their grim fiscal situation than go out and riot.
(8) Inside the Islamic State ‘capital’: no end in sight to its grim rule Read more The Kurdish People’s Protection Units (YPG) militia and an alliance of rebels known as the “Euphrates Volcano” – backed US-led coalition air strikes – have seized swaths of territory from Isis, including the strategic border town of Tal Abyad .
(9) Yet, if that flurry of form pepped optimism, the injuries and displays in recent friendlies have provided a grim reality check.
(10) The dark, luxury air in the silent bedrooms of empty riverside apartments, their identical curving blocks clustered in threes and fours, grim and silent as gill slits, will be theirs.
(11) Chinese media and bloggers published images of three young children in blue school uniforms lying dead on the pavement – a grim echo of the high casualty rate at poorly constructed schools in Sichuan in 2008, when a bigger quake killed 87,000 people.
(12) The BCC survey represents a turnround from the end of last year, when it was predicting stagflation – a grim combination of zero growth and inflation.
(13) The human rights organisation, which has produced a series of in-depth reports detailing the grim working conditions of many of the 1.5 million migrant labourers engaged in a huge construction boom, said “little has changed in law, policy and practice” since the government promised limited reforms 12 months ago.
(14) Carcinoma of unknown histogenesis or primary site is an increasingly recognized syndrome regarded by most physicians as having a grim prognosis.
(15) "There are times when a swingeing sentence can act as a deterrent", as the judge at the trial was grimly to pronounce.
(16) The footage beamed back from the liberated districts of Ramadi is grim: a ghost town littered with debris and smashed concrete, destroyed storefronts, plumes of smoke, the sound of gunfire piercing the air as Iraqi soldiers speak on camera.
(17) It was my shortcomings as coach that caused this result,” said a grim-faced South Korea manager, Hong Myung-bo, who spent most of the post-match press-conference scratching his nose in apparent distress and deflecting comments about whether he would stay on as manager until next year’s Asian Cup.
(18) After grim news on the recession, at least one thing should become clearer: going back to where we were is no longer an option.
(19) While deplorable and to a degree self-defeating, this insouciant defiance also makes a grim kind of sense, both historically and reinforced by recent events.
(20) The entity carries a grim visual prognosis, as all ten eyes initially had no perception of light; improvement to light perception occurred in one instance.