What's the difference between ocean and photic?

Ocean


Definition:

  • (n.) The whole body of salt water which covers more than three fifths of the surface of the globe; -- called also the sea, or great sea.
  • (n.) One of the large bodies of water into which the great ocean is regarded as divided, as the Atlantic, Pacific, Indian, Arctic and Antarctic oceans.
  • (n.) An immense expanse; any vast space or quantity without apparent limits; as, the boundless ocean of eternity; an ocean of affairs.
  • (a.) Of or pertaining to the main or great sea; as, the ocean waves; an ocean stream.

Example Sentences:

  • (1) There are no oceans wide enough to stop us from dreaming.
  • (2) Undaunted by the sickening swell of the ocean and wrapped up against the chilly wind, Straneo, of Woods Hole Oceanographic Institution, one of the world's leading oceanographic research centres, continues to take measurements from the waters as the long Arctic dusk falls.
  • (3) I hope they fight for the money to make their jobs worth doing, because it's only with the money (a drop in the ocean though it may be) that they'll be able to do anything.
  • (4) n. from the body cavity of Scomber scombrus from the Indian ocean is described.
  • (5) Its first two features, Earth and Oceans , together took nearly $200m worldwide.
  • (6) They’ve already collaborated with folks like DOOM, Ghostface Killah and Frank Ocean; I was lucky enough to hear a sneak peek of their incredible collaboration with Future Islands’ Sam Herring from their forthcoming album.
  • (7) The worldwide pattern of movement of DDT residues appears to be from the land through the atmosphere into the oceans and into the oceanic abyss.
  • (8) An international team led by Luciano Iess at the Sapienza University in Rome inferred the existence of the ocean after taking a series of exquisite measurements made during three fly-bys between April 2010 and May 2012, which brought the Cassini spacecraft within 100km of the surface of Enceladus.
  • (9) While winds gusting to 170mph caused significant damage, the devastation in areas such as Tacloban – where scenes are reminiscent of the 2004 Indian ocean tsunami – was principally the work of the 6-metre-high storm surge, which carried away even the concrete buildings in which many people sought shelter.
  • (10) India will have three carriers and both China and India are building blue-water [ocean-going] navies.
  • (11) Similar organisms were found in the water at the site of the accident in Boston, and at ocean bathing beaches on nearby Martha's Vineyard.
  • (12) Australia is hoping to put a permanent end to Japan's annual slaughter of hundreds of whales in the Southern Ocean, in a landmark legal challenge that begins this week.
  • (13) An empirical rate expression was developed from experimental data which led to a prediction that the natural rate of oxidation in the ocean is about 0.023 micromoles of As(III) per liter each year.
  • (14) The melting of sea ice, ice caps and glaciers across the planet is one of the clearest signs of global warming and the UK-led team of scientists will use the data from CryoSat-2 to track how this is affecting ocean currents, sea levels and the overall global climate.
  • (15) It cannot be established whether or not seasickness contributed to the cause of death in the case of the Ocean Ranger victims, but it did occur in 75% or more of TEMPSC occupants in the other four rig disasters.
  • (16) Total concentrations can range from a few parts per million in non-polluted intertidal and oceanic areas to parts per thousand in heavily contaminated estuarine, lake and near-shore environments.
  • (17) Campbell said that if all signatories to the convention killed as many minke whales as Japan does, then more than 83,000 would be slaughtered in the Southern Ocean every year.
  • (18) The French president, François Hollande, summoned key ministers to a crisis meeting on Thursday afternoon, postponing a planned visit to France's Indian Ocean territories.
  • (19) The outcome is a belief that the Earth is being slowly strangled by a gaudy coat of impermeable plastic waste that collects in great floating islands in the world's oceans; clogs up canals and rivers; and is swallowed by animals, birds and sea creatures.
  • (20) He added that if the DigitalGlobe satellites are normally designed for analysis of land masses, not ocean searches.

Photic


Definition:

  • (a.) Relating to the production of light by the lower animals.

Example Sentences:

  • (1) Non-photic stimuli can be powerful quantitatively: behavioural events can shift rhythms by several hours.
  • (2) The response patterns of different individual neurons to somatic sensory and photic stimuli were also analyzed.
  • (3) The photic induction of all three genes examined was found to be gated by the circadian system with maximal induction observed during the mid to late subjective night.
  • (4) Excitatory (positive) phenomena are subjective photic sensations (phosphenes) which can be elicited by transcranial magnetic stimulation over occipital parts of the skull.
  • (5) The present study analyzes the participation of pineal stalk and superior cervical ganglia (SCG) in the conduction of photic evoked potentials (PEP) to the pineal body (PB) in unanesthetized freely moving rats implanted with semimicroelectrodes.
  • (6) Later on there is a generalized depression of amplitudes; photic driving and differences between sleeping and waking diminish from the 3rd year of life on; thereafter, the EEG becomes isoelectric.
  • (7) Sensory neurons of the photic pathway in the nudibranch mollusc Hermissenda crassicornis are cholinergic and the synaptic interactions between the photic and vestibular systems have been well characterized electrophysiologically.
  • (8) In the studies of retinal photic injury in the rat model, about 14-47% of the photoreceptor cell loss occurs in the first 24 hours.
  • (9) Several theoretical criteria have been proposed for protection of RP patients from possible photic retinal damage.
  • (10) Seven normal adult volunteers underwent intermittent photic stimulation at frequencies of 5-60 Hz while their posterior cerebral arteries were monitored using transcranial Doppler ultrasound.
  • (11) At univariate analysis, the factors which proved to be significantly correlated to relapses were: age at onset over 4 years, seizure-free time less than 2 years, sudden drug discontinuation, pathological EEG records during seizure-free time and paroxysmal responses to intermittent photic stimulation (IPS).
  • (12) A pharmacological approach was used to examine the role of acetylcholine in the photic control of circadian rhythms and seasonal reproductive cycles.
  • (13) It may be concluded that critical frequency of photic driving is conditioned by the cortical projection zones and visual pathways corresponding to the central 15 degrees of the visual field, but with predominant role of foveal projections.
  • (14) It is assumed that the neurotizing agent was the superfluous situational (photic) stimulation which presented excessive requirements to the mechanisms regulating the general functional state of the brain.
  • (15) The period of discharge in these cells may be lengthened or the periodicity may be transiently disrupted by photic stimulation.
  • (16) We studied the influence of indeloxazine hydrochloride (IH) upon photic driving responses (PDRs) elicited by a 5 Hz flickering dot pattern and red flicker stimuli.
  • (17) It is hypothesized that in some forms of age-related macular degeneration, patients suffer from repeated mild photic insult throughout their lifetime.
  • (18) In 3-day-old chicks homozygous for the epilepsy gene (epileptics), elevation of body temperature using microwave diathermy evoked an initial febrile seizure resembling the clonic seizures evoked in epileptic chicks by photic stimulation.
  • (19) Spectral analyses show unilateral photic driving in newborn human infants to bilateral repetitive visual stimulation.
  • (20) Dogs were unable to learn "same-different" differentiation of pairs of photic stimuli when continuous light (CL) and pulsing light (PL) were presented in four combinations: CL-PL and PL-CL served as S(D) (positive instrumental conditioned stimulus), whereas CL-CL PL-PL were S delta (inhibitory stimulus).

Words possibly related to "photic"