What's the difference between accidental and achromatic?

Accidental


Definition:

  • (a.) Happening by chance, or unexpectedly; taking place not according to the usual course of things; casual; fortuitous; as, an accidental visit.
  • (a.) Nonessential; not necessary belonging; incidental; as, are accidental to a play.
  • (n.) A property which is not essential; a nonessential; anything happening accidentally.
  • (n.) Those fortuitous effects produced by luminous rays falling on certain objects so that some parts stand forth in abnormal brightness and other parts are cast into a deep shadow.
  • (n.) A sharp, flat, or natural, occurring not at the commencement of a piece of music as the signature, but before a particular note.

Example Sentences:

  • (1) The data from this experience as well as others previously reported can yield prognostic indicators of survival in cases of accidental hypothermia.
  • (2) Accidentally discovered nearly 40 years ago as the first true antidepressants, the MAOIs soon fell into disfavor due to concerns about toxicity and seemingly lesser efficacy compared with the newer tricyclic compounds.
  • (3) He's called out for his lack of imagination in a stinging review by a leading food critic (Oliver Platt) and - after being introduced to Twitter by his tech-savvy son (Emjay Anthony) - accidentally starts a flame war that will lead to him losing his job.
  • (4) Accidental injury is the leading cause of death in persons between the ages of 1 and 50 years in our Western society.
  • (5) Women on the beat: how to get more female police officers around the world Read more Mortars were, for instance, used on 5 June when Afghan national army soldiers accidentally hit a wedding party on the outskirts of Ghazni, killing eight children.
  • (6) Cavernous hemangiomas of the brain stem are usually discovered accidentally during evacuation of a hematoma, and successful surgical treatment of these lesions is seldom achieved.
  • (7) The time of insertion had no effect on the rate of accidental pregnancy (p less than .05).
  • (8) A case history is presented of a 10-year-old patient, who accidentally injured her maxillary central incisor.
  • (9) Doctors refuse to discharge 'Baby Asha' because of fears for safety on Nauru Read more It’s understood the baby girl, who is about a year old and is known as Asha, suffered burns when boiling water was accidentally spilt on her on Nauru.
  • (10) Early charcoal administration may be of value therefore in reducing the toxicity of mefenamic acid after deliberate or accidental overdosage.
  • (11) The gastrostomy catheter can be easily removed when treatment is ended and conveniently replaced if accidentally dislodged.
  • (12) Rapid heart beat was found accidentally by auscultation.
  • (13) This study analyzes data on accidental falls for those aged 65 and older.
  • (14) There was nothing accidental about Saffiyah Khan’s easy nonchalance, grinning through the spitting rage of Ian Crossland at the EDL rally in Birmingham city centre at the weekend; Ieshia Evans knew there was more power in calm when she approached the police in Baton Rouge last summer.
  • (15) A deformed hip joint which was accidentally found in a test pig is described.
  • (16) Nonfatal complications specifically related to splenectomy occurred in 15 per cent of patients with multi-organ injury and in 18 per cent of patients with incidental-accidental splenic removal.
  • (17) It is concluded that, from the individual's perspective, the influence of situational factors means that part of his consumption is determined by more or less accidental circumstances like the opportunities to drink, the size of the drinking group and group pressure.
  • (18) But it would be also thinkable that it is an accidental combination of diseases, the number of which increases at growing age.
  • (19) Active Surveillance decreases the possibility of misidentifying abuse related deaths as accidental, and allows state agencies to follow abuse fatalities, collecting pertinent information and adjusting policy accordingly.
  • (20) The atherosclerotic involvement of coronary branch vessels (first diagonal, first septal, posterior descending, left and right marginals, conus and the vessels supplying the conduction system) was investigated in 450 apparently healthy subjects aged 11-55 years who died of accidental causes.

Achromatic


Definition:

  • (a.) Free from color; transmitting light without decomposing it into its primary colors.
  • (a.) Uncolored; not absorbing color from a fluid; -- said of tissue.

Example Sentences:

  • (1) When achromatic lesions were excluded from the analyses, these differences were not found.
  • (2) A dose-dependent increase in chromatid lesions, i.e., achromatic lesions, chromatid breaks, chromatid deletions and triradial or quandriradial chromosomal exchange fiqures, was found.
  • (3) Targets were presented on a low photopic achromatic background, so that the red and green targets differed from the background both in intensity and in wavelength, whereas the achromatic target differed in intensity only.
  • (4) Stimulus parameters were selected to isolate the chromatic and achromatic systems.
  • (5) We have examined the contribution of these pathways to achromatic visual capacities by behaviorally testing spatio-temporal vision in monkeys with severe damage to the P beta (medium cell) pathway.
  • (6) We conclude that, for stimuli of either achromatic or chromatic contrast, peripheral spatial resolution is limited by post-receptoral mechanisms.
  • (7) Patients with high-tension glaucoma showed significant losses in both chromatic and achromatic sensitivities when compared with low-tension glaucoma patients.
  • (8) For MWS and LWS cone isolation we used a 15 Hz flickering test light to isolate the achromatic channel, and we modelled the resulting spectral sensitivity functions as a linear sum of LWS and MWS input.
  • (9) Photopically equivalent achromatic and long-wavelength adapting fields induced comparable increases in flicker ERG amplitude, while scotopically equivalent adapting fields had considerably different effects.
  • (10) The spectrum of damage observed for both cell types was primarily achromatic lesions affecting one or both chromatids.
  • (11) Similarities were found between the post-receptoral properties of these achromats and the properties of the isolated blue mechanism of normal vision and also the properties of normal luminance contrast processing in general.
  • (12) The achromatic epithelial cells (AEC), whose cellular materials remain unstained by several stains, e. g., H.E, PAS, Alcian blue, Orange G Anilin blue and Mucicarmin, are detected in the intestinal mucous epithelium of the Iar: Wistar Imamichi rat from the 19th day of gestation to the 21st day after birth.
  • (13) This is This is attributed to disturbances of the achromatic apparatus that occur with increasing age.
  • (14) We measured both the wavelength of the spectral achromatic point over a large range of intensities and yellow-blue hue-cancellation functions over the full spectrum and at several luminance levels in protanopes and deuteranopes.
  • (15) The present observations provide evidence for a visual pathway in human cortex homologous to the magnocellular pathway in macaque, a pathway involved in processing the low-contrast, achromatic, and moving components of visual stimuli.
  • (16) As illumination level increased, the ability to discriminate wavelength differences deteriorated for the blue cone monochromats, whereas, for the deutan achromats, wavelength discrimination remained relatively constant even near 100,000 scotopic trolands.
  • (17) The interocular transfer of low-frequency adaptation in the achromat was 50%, which is the same value obtained at higher frequencies.
  • (18) Our results can be explained in terms of a low-frequency band that represents the opponent-color response, and a high-frequency band that represents the achromatic response.
  • (19) As a visual device, it permits easy identification of a set of achromatic fringes that can be seen in any two-beam interferometer when a white-light source is observed through it.
  • (20) In all patients melanocarcinoma was IV-V degree according to Crark as in 2 women it was pigmented, but in 2 women--achromatic.

Words possibly related to "achromatic"