What's the difference between blind and conceal?

Blind


Definition:

  • (a.) Destitute of the sense of seeing, either by natural defect or by deprivation; without sight.
  • (a.) Not having the faculty of discernment; destitute of intellectual light; unable or unwilling to understand or judge; as, authors are blind to their own defects.
  • (a.) Undiscerning; undiscriminating; inconsiderate.
  • (a.) Having such a state or condition as a thing would have to a person who is blind; not well marked or easily discernible; hidden; unseen; concealed; as, a blind path; a blind ditch.
  • (a.) Involved; intricate; not easily followed or traced.
  • (a.) Having no openings for light or passage; as, a blind wall; open only at one end; as, a blind alley; a blind gut.
  • (a.) Unintelligible, or not easily intelligible; as, a blind passage in a book; illegible; as, blind writing.
  • (a.) Abortive; failing to produce flowers or fruit; as, blind buds; blind flowers.
  • (v. t.) To make blind; to deprive of sight or discernment.
  • (v. t.) To deprive partially of vision; to make vision difficult for and painful to; to dazzle.
  • (v. t.) To darken; to obscure to the eye or understanding; to conceal; to deceive.
  • (v. t.) To cover with a thin coating of sand and fine gravel; as a road newly paved, in order that the joints between the stones may be filled.
  • (n.) Something to hinder sight or keep out light; a screen; a cover; esp. a hinged screen or shutter for a window; a blinder for a horse.
  • (n.) Something to mislead the eye or the understanding, or to conceal some covert deed or design; a subterfuge.
  • (n.) A blindage. See Blindage.
  • (n.) A halting place.
  • (n.) Alt. of Blinde

Example Sentences:

  • (1) Clonazepam was added to the treatment of patients with poorly controlled epilepsy in a double-blind trial and an open trial.
  • (2) One rare case of blind-ending branch originating in the upper third of the ureter are described.
  • (3) We report the results of a double-blind, placebo-controlled trial of acitretin (Soriatane) in 15 patients with moderate to severe psoriasis.
  • (4) In a double-blind, crossover-designed study, 9 male subjects (age range: 18-25 years) received 25 mg orally, four times per day of either S or an identically-appearing placebo (P) 2 d prior to and during HA.
  • (5) In a randomized double-blind study, 40 patients with coronary heart disease received intravenously either 0.025 mg nitroglycerin or placebo.
  • (6) Eighty micrograms of the topically active parasympatholytic drug ipratropium were applied intranasally four times daily in 20 adults with perennial rhinitis and severe watery rhinorrhoea in a double-blind controlled cross-over trial.
  • (7) The effect of ipratropium bromide administered at two dosage levels, 40 and 80 mug, isoproterenol, 150 mug, and placebo using a metered dose inhaler was evaluated in ten adult patients with asthma in a double-blind, crossover study.
  • (8) The epidemiological effectiveness of dipyridamol, an interferon-inducing agent used for the prevention of influenza and viral acute respiratory diseases, was tested in 4 epidemiological trials, 3 of them carried out as double blind trials.
  • (9) These lanes encourage cyclists to 'ride in the gutter' which in itself is a very dangerous riding position – especially on busy congested roads as it places the cyclist right in a motorist's blind spot.
  • (10) A randomised double-blind trial comparing this preparation with a so-called 'shotgun' combination containing 0.05% betamethasone 17-valerate, 0.1% gentamicin, 1.0% tolnaftate and 1.0% clioquinol in 288 patients in the Philippines resulted in a better efficacy for the diflucortolone preparation in the 80 patients with bacterially or mycotically infected skin diseases.
  • (11) Blinded outcomes of depression and cognition were measured initially and twice in each phase.
  • (12) Therefore, two-dimensional echocardiographic findings in 22 patients with perivalvular abscess found at surgery or necropsy were compared with those in 24 patients without abscess in a retrospective but blinded study.
  • (13) In a double-blind trial, 50 patients with subcostal incisions performed for cholecystectomy or splenectomy, received 10 ml of either 0.5% bupivacaine plain or physiological saline twice daily by wound perfusion through an indwelling drainage tube for 3 days after operation.
  • (14) In a double-blind, randomized, within-patient comparative study, the efficacy and tolerability of Ro 14-9706 (an arotinoid methyl sulfone) in the treatment of actinic keratoses was compared with that of tretinoin (all-trans-retinoic acid).
  • (15) Eighteen adult epileptic patients under CBZ therapy were evaluated in this single-blind, randomized cross-over study.
  • (16) A total of 17 patients suffering from musculoskeletal disease were included in a double blind study to compare the efficacy and safety of piroxicam and indomethacin.
  • (17) Each subject applied a vehicle cream containing 0.075% capsaicin (Axsain, GalenPharma Inc.) to a 4 cm2 area of skin on one volar forearm and vehicle alone to an identical treatment area on the other forearm, according to a double-blind procedure.
  • (18) A prospective, double-blind study was undertaken to assess the effectiveness of oral dexamethasone premedication in reducing a variety of side effects associated with metrizamide myelography.
  • (19) They then entered, on a randomized and double-blind basis, a cross-over trial of two 16-week periods, blood pressure being measured fortnightly.
  • (20) The design was a single-blind randomised controlled study.

Conceal


Definition:

  • (v. t.) To hide or withdraw from observation; to cover; to cover or keep from sight; to prevent the discovery of; to withhold knowledge of.

Example Sentences:

  • (1) Therefore, a mortality analysis of overall survival time alone may conceal important differences between the forces of mortality (hazard functions) associated with distinct states of active disease, for example pre-remission state and first relapse.
  • (2) The recorded APs were further subdivided into those exhibiting consistent antegrade conduction during sinus rhythm (overt APs: 50 left APs, eight right APs), those exhibiting intermittent antegrade conduction (intermittent APs: six left APs, two right APs), and those exhibiting only retrograde conduction (concealed APs: 33 left APs, two right APs).
  • (3) In patients under anti-epileptic therapy it is readily possible for the clinical picture to be concealed, and this may then result in irreversible damage due to the disturbance of metabolism remaining uninfluenced.
  • (4) If they included a warning in the package ‘tamper resistance’ feature that works by non-Apple-authorised repair services may be mistaken for tampering attempts, and lead to the phone being disabled’, then it would be purely a feature ... By concealing the feature prior to sales, and only even revealing it after being repeatedly pressured over it, Apple turned what could have been a feature into a landmine.” Apple shares have fallen more than 20% in the past three months as investors begin to doubt whether it can maintain the stellar growth posted since the iPhone first went on sale eight years ago.
  • (5) It created a very ugly atmosphere in society – as I was growing up in politics, I disliked the hypocrisy where people had to conceal their own identity.
  • (6) Years ahead of its time, it saw each song presented theatrically, the musicians concealed in the wings (although Bowie said that they kept creeping on to the stage, literally unable to resist the spotlight) and with Bowie performing on a cherry-picker and on a giant hand, both of which kept breaking down.
  • (7) The regulator said it did not find the evidence provided a basis to conclude Rupert Murdoch had acted in a way that was inappropriate in relation to phone hacking, concealment or corruption by employees.
  • (8) The evidence obtained in these patients was consistent with a concealed Wolff-Parkinson-White syndrome.
  • (9) It is concluded that the site of unidirectional block in this patient is at the origin of the concealed accessory pathway in the ventricular septal muscle.
  • (10) Kipling deliberately concealed something of himself, but did not seek to conceal the truth about the nature of imperial power; Wodehouse exposed himself, and thereby inadvertently exposed something of the double standards of the system of power in which he unthinkingly believed.
  • (11) It is concluded that the loss in total thigh volume during inactivation in a cast is due to waste of the muscle tissue, and further that this loss is partly concealed by an unchanged fat thigh volume.
  • (12) Slower ventricular rates during atrial fibrillation would suggest an increased propensity for concealed conduction in the enhanced AV node conduction group than in the group with an accessory pathway.
  • (13) The same plant was seriously damaged by an earthquake in 2007, but the owners tried to conceal a radiation leak.
  • (14) It has since emerged that Brinsley had already been arrested 19 times for offences including concealing a weapon, and disorderly conduct.
  • (15) Expressions that included muscular activity around the eyes in addition to the smiling lips occurred more often when people were actually enjoying themselves as compared with when enjoyment was feigned to conceal negative emotions.
  • (16) Drug-taking was, in effect, decriminalised by the Misuse of Drugs Act 1971 , ever since when the authorities have deployed the rhetoric of toughness to conceal the truth that we are free to take drugs with impunity, knowing our crime will probably be ignored, or at worst not punished but "treated".
  • (17) The conduction disturbances were due to the association of concealed His bundle depolarizations (H') not propagated to atria or ventricles with first degree AV block in the His bundle.
  • (18) The measure would also lower the minimum age required to obtain a concealed weapons permit, from 21 to 19.
  • (19) Importantly, this abnormal state is concealed at rest and the choice of palliative shunting procedure appears to have little effect on normalizing pump performance.
  • (20) Such observations may conceal the fact that the amine N-oxide has undergone a sequence of deoxygenation and oxygenation reactions only to revert to the parental form and be excreted as such--a process that we propose to call metabolic retroversion.