What's the difference between crepuscular and dawn?

Crepuscular


Definition:

  • (a.) Alt. of Crepusculous

Example Sentences:

  • (1) One type of short-axon horizontal cell (HC) and one type of axonless HC are described in the retina of Carinae noctua, a crepuscular bird and Tyto alba, a pure nocturnal bird.
  • (2) Yet it is ever more dissected by hacks and bloggers who pretend to be heretical but are just gossip merchants who never question the deep structures of governance and merely legitimate their own crepuscular existence.
  • (3) "Late" like the autumnal, musical Eliot of Four Quartets; like the demanding, crepuscular Beethoven quartet the film's characters rehearse for their silver-anniversary performance (String Quartet No 14 in C sharp minor – menacingly referred to as "Op 131"); and "late" in the connected senses of former or dead, which this quarrelsome foursome soon might be if they fail to recover their harmony.
  • (4) To describe his work in progress, he jotted down a list of hyperbolic adjectives: "Astounding, extraordinary, surprising, superhuman, supernatural, unheard of, savage, sinister, formidable, gigantic, savage, colossal, monstrous, deformed, disturbed, electrifying, lugubrious, funereal, hideous, terrifying, shadowy, mysterious, fantastic, nocturnal, crepuscular."
  • (5) Hourly sampling with human bait showed a bimodal pattern, with a greater peak in the evening crepuscular period.
  • (6) Malaise-trapped females showed a distinct crepuscular peak of host-seeking activity.
  • (7) Whereas in humans the retinal sampling frequency approaches the optical cut-off frequency quite closely, in diurnal insects of both types the image is undersampled by a factor of 2-3, and in crepuscular spiders this factor may be greater than 100.
  • (8) Paranoid reaction may get closer to hysterical crepuscular states.
  • (9) Longterm castrates (under LD 8:16) displaying either predominantly diurnal or crepuscular activity were implanted with either empty Silastic capsules or capsules containing testosterone.
  • (10) Errol Morris , a respected documentarian himself and one of the film's executive producers (along with Werner Herzog ), defended the film on the grounds that "by re-enacting the murders … [we] could become reconnected to a history that had nearly vanished into a crepuscular past."
  • (11) The superposition eye of the cockchafer, Melolontha melolontha, exhibits the typical features of many nocturnal and crepuscular scarabaeid beetles: the dioptric apparatus of each ommatidium consists of a thick corneal lens with a strong inner convexity attached to a crystalline cone, that is surrounded by two primary and 9-11 secondary pigment cells.
  • (12) We found that the gerbil in captivity, unlike most rodents that are nocturnal, is a crepuscular animal, being more active at the transitions between light and dark.
  • (13) Repellency was determined during a 2 h crepuscular period using volunteers who had been treated with repellents 6, 8, 10, and 12 h prior to the end of each test period.
  • (14) Biting occurred during the day with early morning and late afternoon peaks and continued into the crepuscular period.
  • (15) Castrates showed a trend toward increased crepuscular preference.
  • (16) The present experiments were designed to examine the effects of various durations of day- and night-time exposures to low intensity (1.0 gauss rms) 60 Hz magnetic fields on light (L) and dark (D) period opioid-mediated aversive thermal ('nociceptive') responses and morphine-induced 'analgesia' in the nocturnally-crepuscularly active land snail, Cepaea nemoralis.
  • (17) Green sunfish actively avoided temperatures exceeding 30.3 degrees C and below 26.5 degrees C and had a median preferred temperature of 28.2 degrees C. Temperature preference did not vary significantly during the diel period even though locomotory activity patterns were markedly crepuscular.
  • (18) The effects of various durations (0.5, 2, 12, 48, or 120 h) of day- and night-time exposures to a 1.0 gauss (rms) 60-Hz magnetic field or sham field on mortality levels in the nocturnally-crepuscularly active land snail, Cepaea nemoralis, were examined.
  • (19) In relation to the vespertine crepuscular period, precrepuscular peaks were observed in the highland area.
  • (20) Animals with testosterone implants displayed increased preference for nocturnal and decreased preference for crepuscular activity as compared to controls.

Dawn


Definition:

  • (v. i.) To begin to grow light in the morning; to grow light; to break, or begin to appear; as, the day dawns; the morning dawns.
  • (v. i.) To began to give promise; to begin to appear or to expand.
  • (n.) The break of day; the first appearance of light in the morning; show of approaching sunrise.
  • (n.) First opening or expansion; first appearance; beginning; rise.

Example Sentences:

  • (1) Greek police have said the 45-year old man arrested over the attack has admitted being a member of the extremist Golden Dawn Party.
  • (2) Far from securing the regime change they were seeking, the creditors now find that Syriza is being supported by all Greek political parties apart from the communists and the neo-Nazi party Golden Dawn.
  • (3) A light rain pattered the rooftops of Los Mochis in Friday’s pre-dawn darkness, the town silent and still as the Sea of Cortez lapped its shore.
  • (4) Short of setting up a hotline to the Met Office – or, more prosaically, moving to a country where the weather best suits our condition, as Dawn Binks says several sufferers she knows have done – migraineurs can do little to ensure that the climate is kind to them.
  • (5) Activity was stimulated by the change in illumination levels at dawn and dusk.
  • (6) Wearing a brown leather fedora and dark sunglasses, the 69-year-old was ushered into a waiting van shortly after dawn and taken to the western port city of Kobe, the headquarters of the Yamaguchi-gumi.
  • (7) Justice League, a followup to Dawn of Justice featuring Batman, Superman and Wonder Woman, arrives in May 2017, with a film starring Flash and the Green Lantern debuting the following Christmas.
  • (8) Supporting a Sunderland side who had last won a home Premier League game back in January, when Stoke City were narrowly defeated, is not a pursuit for the faint-hearted but this was turning into the equivalent of the sudden dawning of a gloriously hot sunny day amid a miserable, cold, wet summer.
  • (9) In the worst cases, they are the 21st-century equivalent of the desperate dawn queue at the Victorian factory gate.
  • (10) North American box office estimates, 8-10 April The Boss: $23.48m - NEW Batman v Superman: Dawn of Justice: $23.435m.
  • (11) As far as I recall, getting up at dawn is not easy when you're 17.
  • (12) I think it takes some serious balls to respond the way I did.” Controversy followed him to his homeland overnight when the Australian former Olympic swimming champion Dawn Fraser said of Kyrgios and Bernard Tomic , who criticised Tennis Australia and was subsequently dropped from the Davis Cup team: “They should be setting a better example for the younger generation of this country, a great country of ours.” “If they don’t like it, go back to where their fathers or their parents came from.
  • (13) There had been simmering tension between the Tottenham Hotspur manager and officers since a dawn raid on his Dorset home that was watched by press photographers.
  • (14) Dawn, 43, a former journalist has left the life she had behind.
  • (15) Timing of insulin injections will frequently need to be adjusted to blunt the dawn phenomenon.
  • (16) Only now is the full effect of the NHS act dawning on its strongest advocates.
  • (17) The often confusing circumstances that led to their courts martial and the ruthlessness of their punishments only fully came to light with the publication in 1989 of Julian Putkowski and Julian Sykes's history Shot at Dawn .
  • (18) Plasma cortisol and adrenocorticotropic hormone levels increased and growth hormone (GH) decreased significantly during the dawn period.
  • (19) Ten minutes' walk away is the wonderful Blaise Hamlet (open dawn until dusk).
  • (20) If the Coalition keeps going down the current path, its most enduring achievement will be the dismantlement of the equity-based federal funding settlement achieved under Whitlam and the dawn of a new era of evidence-less policy making.

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