What's the difference between bright and dull?

Bright


Definition:

  • (v. i.) See Brite, v. i.
  • (a.) Radiating or reflecting light; shedding or having much light; shining; luminous; not dark.
  • (a.) Transmitting light; clear; transparent.
  • (a.) Having qualities that render conspicuous or attractive, or that affect the mind as light does the eye; resplendent with charms; as, bright beauty.
  • (a.) Having a clear, quick intellect; intelligent.
  • (a.) Sparkling with wit; lively; vivacious; shedding cheerfulness and joy around; cheerful; cheery.
  • (a.) Illustrious; glorious.
  • (a.) Manifest to the mind, as light is to the eyes; clear; evident; plain.
  • (a.) Of brilliant color; of lively hue or appearance.
  • (n.) Splendor; brightness.
  • (adv.) Brightly.
  • (v. t.) To be or become overripe, as wheat, barley, or hops.

Example Sentences:

  • (1) It is concluded that in the mouse model the ability of buspirone to reduce the aversive response to a brightly illuminated area may reflect an anxiolytic action, that the dorsal raphe nucleus may be an important locus of action, and that the effects of buspirone may reflect an interaction at 5-hydroxytryptamine receptors.
  • (2) They retained the ability to make this discrimination when the coloured stimuli were placed against a background bright enough to saturate the rods.3.
  • (3) There was good agreement between the survival of normally oxygenated cells in culture and bright cells from tumors and between hypoxic cells in culture and dim cells from tumors over a radiation dosage range of 2-5 Gray.
  • (4) Vital staining of neuroblastoma cells with acridine orange produces a bright intracellular red-orange fluorescence most probably due to the occurrence of RNA.
  • (5) Thereafter, donor type cells expressed an intermediate Thy 1.2 brightness; this population then persisted and surpassed the other subsets.
  • (6) It’s a bright, simple space with wooden tables and high stalls and offers tastings and beer-making workshops.
  • (7) The brightly lit ice palaces themselves are stunning, inside and out, and the sporting facilities have been rightly praised by almost all the athletes.
  • (8) The bright lines in the difference image represent the paths along which the filaments have moved and are measured using a crosshair cursor controlled by the mouse.
  • (9) Rats exposed to the bright-light condition suffered a pronounced loss of photoreceptor cells by 10 weeks, and an even greater cell loss by 17 weeks.
  • (10) Even Paul Bright had to get a private charity to fund half his work.
  • (11) There was a uniform decrease in brightness discrimination to either side of the foveal peak.
  • (12) Bright artificial light has been found effective in reducing winter depressive symptoms of Seasonal Affective Disorder, although conclusions about the true magnitude of treatment effect and importance of time of day of light exposure have been limited by methodologic problems.
  • (13) The frequencies of the various anaphase patterns of bright and dim centromere regions were binomially distributed, indicating random distribution of chromatids with respect to the age of their DNA templates.
  • (14) (2) Sequences of brightness steps of like polarity (either increments or decrements) elicit positive and negative motion-dependent response components when mimicking motion in the cell's preferred and null direction, respectively.
  • (15) "Most technologies have their bright and dark side," he replies, buoyantly.
  • (16) Ultrastructural cytochemistry with XRMA is limited by the need to use high-brightness electron sources.
  • (17) Kobani impressed on the Kurds that Erdoğan could not be trusted and that anti-Kurdish feeling continued to burn brightly in the Turkish state.
  • (18) The administration of the drug in Stage 1 improved the acquisition of the initial brightness discrimination and facilitated reversal learning independently of the drug administered in Stage 2.
  • (19) The highest expression was noted in a recurrent plexiform ameloblastoma in which almost 100% of the tumor cells were brightly reactive.
  • (20) Mercaptoacetate, injected in the middle of the bright phase, reduced the latency to eat but did not affect the duration of the subsequent IMI or cumulative food intake in LF rats.

Dull


Definition:

  • (superl.) Slow of understanding; wanting readiness of apprehension; stupid; doltish; blockish.
  • (superl.) Slow in action; sluggish; unready; awkward.
  • (superl.) Insensible; unfeeling.
  • (superl.) Not keen in edge or point; lacking sharpness; blunt.
  • (superl.) Not bright or clear to the eye; wanting in liveliness of color or luster; not vivid; obscure; dim; as, a dull fire or lamp; a dull red or yellow; a dull mirror.
  • (superl.) Heavy; gross; cloggy; insensible; spiritless; lifeless; inert.
  • (superl.) Furnishing little delight, spirit, or variety; uninteresting; tedious; cheerless; gloomy; melancholy; depressing; as, a dull story or sermon; a dull occupation or period; hence, cloudy; overcast; as, a dull day.
  • (v. t.) To deprive of sharpness of edge or point.
  • (v. t.) To make dull, stupid, or sluggish; to stupefy, as the senses, the feelings, the perceptions, and the like.
  • (v. t.) To render dim or obscure; to sully; to tarnish.
  • (v. t.) To deprive of liveliness or activity; to render heavy; to make inert; to depress; to weary; to sadden.
  • (v. i.) To become dull or stupid.

Example Sentences:

  • (1) "Maybe dullness is associated with psychic pain," Wallace wrote at one point, "because something that's dull or opaque fails to provide enough stimulation to distract people from some other, deeper type of pain that is always there, if only in an ambient low-level way, and which most of us spend nearly all our time and energy trying to distract ourselves from."
  • (2) Similar systems were put in place at Dulles outside Washington DC, Newark and Chicago airports on Thursday.
  • (3) The soft, dull, malacic appearance of the center results from lack of a true surface layer of tangential collagen fibers.
  • (4) Here I am in Los Angeles being paid $30,000 to do next to nothing and still I'm finding life rather dull.
  • (5) A significant proportion of splenic B cells reacted with these mAb, although lower number (one-log less) than peritoneal B cells and a small proportion of H7dull+ splenic B cells seems to be Ly-1(CD5)dull+, 1 of 200 splenic B cells responded to IL-5 for IgM production.
  • (6) A 58-year-old man complained of dull left lower quadrant pain and constipation.
  • (7) They will begin next week at Liberty airport in Newark, New Jersey; Dulles, outside Washington DC; Chicago O’Hare, and Hartsfield-Jackson in Atlanta.
  • (8) At both observations, crowns were rated on 5-point Likert scales for outline form, porosity, smoothness, reflectance, texture, dullness, defects, and general esthetic appearances.
  • (9) On the other hand AMH2 showed the dull-positive reaction with some monocytes and pleural exudate cells among above-mentioned cells.
  • (10) Britain’s Got Talent review – Simon Cowell is looking like Caligula after a dull day at the Coliseum Read more The show, won last year by boy band Collabro, began eight years ago with 4.9 million viewers, rising to 8.8 million for its second series launch before hitting the 10 million mark for the first time in 2009 with 10.3 million.
  • (11) Disseminated annular psoriasiform lesions developed over a period of 2 months in a 48-year-old man with no preceding psoriatic history of drug intake, being accompanied by general dullness and arthralgia.
  • (12) 3) At the severe stage, pain and dullness at the back, numbness at arms and hands, hand coldness, sleep disturbance etc.
  • (13) One month after surgery, she complained of swelling and a dull pain in the right leg without cardiorespiratory symptoms.
  • (14) Black-hair follicular dysplasia in dogs of mixed breeding was delineated by hypotrichosis and dullness of most black regions of the coat.
  • (15) Endoscopic examination disclosed an almost roundish, smooth-surfaced, flat and dull red area corresponding to IIc (slightly depressed type).
  • (16) Their surface phenotype was Thy-1+(dull), Ly-1.2+(dull), Lyt-2-, L3T4-, 9F3+, and 3A1+, which is consistent with that found in intact lpr mice.
  • (17) The engines, gearboxes and even the doors now have a complexity that sees them constructed elsewhere, but the transformation on this line of the dull sheen of aluminium parts into a moving vehicle at the other end is still something to behold.
  • (18) Flow cytometry showed three types of trophozoite staining by mAb: (i) bright staining of greater than 90% of trophozoites, with aggregation of the organisms; (ii) bright staining of approximately 90% of trophozoites, with little or no aggregation; (iii) dull staining of approximately 20% of trophozoites, without aggregation.
  • (19) The percentage of dull CD8+CD11b+ cells (natural killer cells) among TG-2 cells was lower than that in peripheral blood, but there was no significant difference in bright CD8+CD11b+ cells (suppressor-effector T cells) between thyroid glands and peripheral blood.
  • (20) It was filed in my mind as a pretty but dull destination, full of pensioners on package deals and cruises.