What's the difference between blur and smear?

Blur


Definition:

  • (v. t.) To render obscure by making the form or outline of confused and uncertain, as by soiling; to smear; to make indistinct and confused; as, to blur manuscript by handling it while damp; to blur the impression of a woodcut by an excess of ink.
  • (v. t.) To cause imperfection of vision in; to dim; to darken.
  • (v. t.) To sully; to stain; to blemish, as reputation.
  • (n.) That which obscures without effacing; a stain; a blot, as upon paper or other substance.
  • (n.) A dim, confused appearance; indistinctness of vision; as, to see things with a blur; it was all blur.
  • (n.) A moral stain or blot.

Example Sentences:

  • (1) The spatial spread or blur parameter of the blobs was adopted as a scale parameter.
  • (2) One subject reported slight transient faintness and visual blurring after 20 mg of the drug.
  • (3) There is also a continued blurring of the lines between games and other entertainment media.
  • (4) The relationships between dioptric blur, pupil size, retinal eccentricity, and retinal sensitivity were investigated in the central 5 degrees of the visual field in 10 normal subjects using the Humphrey Field Analyzer.
  • (5) Moments later Gary is being ushered out in a blur of drivers and batmen and image-straighteners.
  • (6) The definition of the blurring of narrow beam rotation radiography is revived.
  • (7) Two principles have to be considered: 1. the image of a curved surface will only show the surface area where the rays form a tangent to the surface; 2. in tomography the blurring of the image increases with an increase of the tomographic angle and the distance of the object to the plane in focus.
  • (8) Presenting complaints included blurred vision, visual field scotoma, and a field defect.
  • (9) Back in Christchurch, as my day goes on, at least some of these intergenerational questions start to feel a little more blurred.
  • (10) We have been able to remove the rotational blur from each of the fibers in the unit cell using the procedures described by Carragher et al.
  • (11) The thresholds for both tasks increased linearly with decreasing resolution (increasing blur), for a constant ratio of the resolution parameter and the separation of the outer two blobs.
  • (12) A patient with recurrent weakness and blurring of consciousness associated with hyperkalaemia due to aldosterone deficiency is reported.
  • (13) Towards the end, as entire eras wheeled past in a blur, I realised the programme itself would outlive me, and began desperately scrawling notes that described the broadcast's initial few centuries for the benefit of any descendants hoping to pick up from where I left off.
  • (14) The data indicate that target proximity will influence AR even when both blur and vergence cues have been stabilized.
  • (15) Determination of degree of blur is done by calculating a focusing measure for each point in each base image and a composite image is then constructed using only the unblurred regions from each base image.
  • (16) --Minimum power output of 100 mA at 25 kVp desirable to avoid movement blurring in contact grid work.
  • (17) The use of axial rather than planar blurring and intensifier camera filming rather than radiography does not reduce the clinical usefulness of the method.
  • (18) To determine the effect of optically induced blur on the visual field measured with high pass spatially filtered targets, 10 normal subjects had field examinations with 0 diopter + 1.00 diopter or + 2.00 diopter of overcorrection in the cyclopleged state.
  • (19) It is causing damage at every level and it needs to be addressed.” Smith said her desire to reach out to all audiences and blur the boundaries between the art forms had been a motivating factor in her taking on the role of guest director of this year’s Brighton arts festival, one of the biggest cultural events in the UK, now in its 49 th year.
  • (20) Part of the appeal for the authors of the course format described here is the blurring of that distinction.

Smear


Definition:

  • (n.) To overspread with anything unctuous, viscous, or adhesive; to daub; as, to smear anything with oil.
  • (n.) To soil in any way; to contaminate; to pollute; to stain morally; as, to be smeared with infamy.
  • (n.) A fat, oily substance; oinment.
  • (n.) Hence, a spot made by, or as by, an unctuous or adhesive substance; a blot or blotch; a daub; a stain.

Example Sentences:

  • (1) From these results it was concluded that FITC-Con A staining method applied to smear specimens is more advantageous in the rapidity and the simplicity for tumor cell diagnosis than section specimen method.
  • (2) The other 3 groups all had smear patterns similar to controls.
  • (3) The relationship between technique of obtaining Papanicolaou smears, presence of endocervical cells, and rate of cervical neoplasia was studied by comparing an endocervical and ectocervical nylon brush (Bayne brush), Ayre spatula plus endocervical brush, and spatula plus cotton-tipped swab in a randomized, prospective trial involving 11,061 patients.
  • (4) Four study groups were investigated using the Kato faecal smear method.
  • (5) Distribution of cells in these smears was found to be random.
  • (6) Subsequently, the inflammatory reaction diminishes, as can be seen on smears from tympanic effusions.
  • (7) All cases of MCT were correctly diagnosed on cytology, and amyloid could be demonstrated in the cytologic smears in three cases.
  • (8) Hosts showed vaginal opening within 5 days and cornified vaginal smears by 9 days.
  • (9) The absence of hemorrhagic manifestations with persisting low platelets counts led to a re-examination of peripheral blood smear and to the diagnosis of pseudothrombocytopenia.
  • (10) At diagnosis 25% showed malignant cells in the bone marrow smears.
  • (11) Slide smears revealed the rosette-shaped pattern characteristic of malignant neuroblastoma, many of which were fitted with dendritic plasmatic processes.
  • (12) The mean age of gravidae with doubtful smears is about 6 years beyond the mean age of gravidae with positive smears.
  • (13) Tissue imprints of rabbit liver and spleen and smears of human venous blood were stained and controlled microscopically.
  • (14) The unsatisfactory smear showed atypical spindle cells.
  • (15) An infectious etiology should be suspected in cases of necrotizing scleritis associated with a purulent discharge, and appropriate smears and cultures should be obtained.
  • (16) Using control blood smears, we compared the results of the Fetaldex kit with those results obtained by the Betke-Kleihauer technique.
  • (17) Fever was also associated with a higher incidence of lymphopenia, hyponatraemia, hypoalbuminaemia and many acid-fast bacilli on sputum smear.
  • (18) At necropsy 1 of the 21 animals exhibited tuberculous lesions, and acid-fast microorganisms were identified on direct smears of lymphatic tissue of a second animal.
  • (19) T lymphocyte subsets were identified with monoclonal antibodies and pattern of alpha-naphthyl-acetate esterase (ANAE) staining pattern in the case of peripheral blood and ANAE staining pattern with thyroid aspirate smears.
  • (20) Both patients had high levels of circulating capsular polysaccharide, and one patient had visible diplococci on a smear of the peripheral blood.