What's the difference between mask and muzzle?

Mask


Definition:

  • (n.) A cover, or partial cover, for the face, used for disguise or protection; as, a dancer's mask; a fencer's mask; a ball player's mask.
  • (n.) That which disguises; a pretext or subterfuge.
  • (n.) A festive entertainment of dancing or other diversions, where all wear masks; a masquerade; hence, a revel; a frolic; a delusive show.
  • (n.) A dramatic performance, formerly in vogue, in which the actors wore masks and represented mythical or allegorical characters.
  • (n.) A grotesque head or face, used to adorn keystones and other prominent parts, to spout water in fountains, and the like; -- called also mascaron.
  • (n.) In a permanent fortification, a redoubt which protects the caponiere.
  • (n.) A screen for a battery.
  • (n.) The lower lip of the larva of a dragon fly, modified so as to form a prehensile organ.
  • (v. t.) To cover, as the face, by way of concealment or defense against injury; to conceal with a mask or visor.
  • (v. t.) To disguise; to cover; to hide.
  • (v. t.) To conceal; also, to intervene in the line of.
  • (v. t.) To cover or keep in check; as, to mask a body of troops or a fortess by a superior force, while some hostile evolution is being carried out.
  • (v. i.) To take part as a masker in a masquerade.
  • (v. i.) To wear a mask; to be disguised in any way.

Example Sentences:

  • (1) The blocking action may have masked and hindered detection of the stimulatory action of barium in other systems.
  • (2) Masking experiments are demonstrated for electrical frequency-modulated tone bursts from 1,000 to 10,000 cps and from 10,000 to 1,000 cps with superimposed clicks.
  • (3) Though immunocytochemistry did not show staining of synaptic regions this may be due to masking of the reactive epitope.
  • (4) Such factors can mask any interactions between biologic factors of the aging female reproductive system and other social factors that might otherwise detemine fertility during the later reproductive years.
  • (5) The interresponse-time reinforcement contingencies inherent in these schedules may actually mask the effects of overall reinforcement rate; thus differences in response rate as a function of reinforcement rate when interresponse-time reinforcement is eliminated may be underestimated.
  • (6) In gastric cancers the major finding was the occurrence of extensive masking of lectin binding sites by sialic acid which was not seen in normal mucosa.
  • (7) The expression of such secondary and tertiary syphilis is commonly masked and distorted by the long-term effects of subcurative doses of antibiotics; in fact, late latent and tertiary syphilis produce symptoms and immunosuppression similar to the profile of AIDS.
  • (8) After induction of anesthesia, the airway of those in group A was maintained with a conventional tracheal tube; in group B, with a laryngeal mask airway.
  • (9) To determine if the type of mechanical ventilation used (ie, face mask, nasal prongs, or endotracheal tube) was associated with GPNN, a matched case-control analysis was performed.
  • (10) Data were analyzed by investigators who were masked to treatment assignment or phase of study.
  • (11) The air entrainment devices from oxygen masks of four manufacturers (Henleys Medical Supplies Ltd, Vickers Medical, Intersurgical Ltd, C R Bard International Ltd) were studied.
  • (12) North Korea's blustering defiance at the annual US-South Korean exercises masks just a little fear that they could easily be turned into an all-out attack, and seems to work on the principle that the more you shout, the safer you will be.
  • (13) Since headache can often represent the warning symptom of a masked depression, in the present study sulpiride has been administered to patients suffering from nonorganic headache syndromes.
  • (14) • Police would be given discretion to remove face masks from people on the street "under any circumstances where there is reasonable suspicion that they are related to criminal activity".
  • (15) Analyses of this artificial curve allow estimation of that part of the internal interactions uninfluenced by the masking effect.
  • (16) Compared to previous masking studies of orientation selective units, non-oriented units have somewhat broader spatial frequency sensitivity curves, in agreement with primate neurophysiology.
  • (17) The contralateral masked condition was performed using 30-dB-SL 400-Hz narrow-band masking noise centered at frequency of test tone.
  • (18) But the research drills down into the data to examine different cohorts separately, and discovers that reassuring overall averages are masking some striking variations.
  • (19) Older subjects were found to be significantly more susceptible to the backward masking effect over longer delays between the target and masking stimuli.
  • (20) We have compared an alternative breathing system for preoxygenation comprising a Hudson face mask with high oxygen inflow (48 litre min-1) and a Mapleson A breathing system (100 ml kg-1 min-1).

Muzzle


Definition:

  • (v. i.) The projecting mouth and nose of a quadruped, as of a horse; a snout.
  • (v. i.) The mouth of a thing; the end for entrance or discharge; as, the muzzle of a gun.
  • (v. i.) A fastening or covering (as a band or cage) for the mouth of an animal, to prevent eating or vicious biting.
  • (v. t.) To bind the mouth of; to fasten the mouth of, so as to prevent biting or eating; hence, figuratively, to bind; to sheathe; to restrain from speech or action.
  • (v. t.) To fondle with the closed mouth.
  • (v. i.) To bring the mouth or muzzle near.

Example Sentences:

  • (1) Using two monoclonal antibodies described in the preceding paper we determined by immunofluorescence microscopy the distribution of an integral membrane protein of the desmosomal domain, the major glycopolypeptide of Mr 165,000 (bovine muzzle epidermal desmosome band 3; desmoglein) in various normal tissues, tumors and cultured cell lines from several mammalian species.
  • (2) Money is pouring into Conservative campaign headquarters, new electoral themes are being framed and tested, and previously muzzled ministers are being actively encouraged by No 10 to tear into Labour.
  • (3) By contrast, noxious mechanical (pinches) and chemical (subcutaneous formalin injection) stimulations and deep cooling (by immersion in water at 0 degrees C) of the muzzle did not alter the spinal release of calcitonin gene-related peptide-like material.
  • (4) Those differences can be summarized as follows: (1) the occurrence of pronounced, highly curved hackle marks, which could in many instances be mistaken for conchoidal marks;(2)the appearance of the beveled edges bordering the cratering on the side opposite origin of force; and (3) a more apparent tendency toward an inverse relationship of muzzle velocity and energy to radial fracture length and degree of curving along crater boundaries.
  • (5) He brooks no dissent or opposition and muzzles media outlets that dare question the wisdom of his rule.
  • (6) In 25 cases of muzzle and nasal septum injuries operative treatment was performed by different methods.
  • (7) Now Muslim Brotherhood supporters are being killed, arrested or muzzled; the former president is detained; and the army has issued an arrest warrant for the Brotherhood's spiritual leader .
  • (8) Seven of 8 female mice exhibited swollen muzzles and footpads 8 days after inoculation.
  • (9) Treatment with carbaphethiol, a parenterally-active aminopeptidase inhibitor, markedly increased YGG levels and lengthened the duration of the increase produced by pinching the muzzle.
  • (10) A study of change in muzzle velocity due to freezing and water immersion of .22, long rifle, K. F. cartridges has been presented.
  • (11) From this position, with the forelimbs and muzzle engaged in the cervical canal, delivery was quickly effected.
  • (12) Desmosomal fractions from bovine muzzle epidermis contain, in addition, a major polypeptide of Mr approximately 75,000 ("band 6 protein") which differs from all other desmosomal proteins so far identified by its positive charge (isoelectric at pH approximately 8.5 in the denatured state) and its avidity to bind certain type I cytokeratins under stringent conditions.
  • (13) The incident blast waves simulated artillery muzzle blast.
  • (14) The distribution of glycoconjugates in the muzzle of young adult Holstein cows has been studied by means of selected light-microscopic histochemical methods, including lectin histochemistry.
  • (15) A committee established by the master of the rolls, Lord Neuberger, to examine the use of injunctions and super-injunctions to muzzle press reporting is due to report next month.
  • (16) In C. aethiops, the contribution of IMW and CL is less in the first component (52.7% of total variance), suggesting that the biochemical forces of mastication are more complex to adapt the mandible to a shorter muzzle and a particular diet.
  • (17) Authentic black-powder muzzle-loader weapons and replicas are used today primarily for hunting game such as deer and hogs.
  • (18) This is somebody, the former head of the KGB, who is responsible for crushing democracy in Russia, muzzling the press, throwing political dissidents in jail, countering American efforts to expand freedom at every turn; is currently making decisions that’s leading to a slaughter in Syria ,” the outgoing president said.
  • (19) These military injuries are characterized by either very high mass, low-velocity shrapnel wounds or by high muzzle velocity missiles causing extensive destruction of tissue.
  • (20) (2) A study of the effect of simulating gun muzzle blast wave on sheep indicated that in the single explosion, the threshold overpressure values inflicting the injury of internal organs were: Lung-37.27 kPa, G-I tract-41.0 kPa; the upper respiratory tract-negative until 73 kPa, while in the multiple (20 times) explosions, they were 23.7, 23.7 and 41.4 kPa, respectively.