What's the difference between hood and mask?

Hood


Definition:

  • (n.) State; condition.
  • (n.) A covering or garment for the head or the head and shoulders, often attached to the body garment
  • (n.) A soft covering for the head, worn by women, which leaves only the face exposed.
  • (n.) A part of a monk's outer garment, with which he covers his head; a cowl.
  • (n.) A like appendage to a cloak or loose overcoat, that may be drawn up over the head at pleasure.
  • (n.) An ornamental fold at the back of an academic gown or ecclesiastical vestment; as, a master's hood.
  • (n.) A covering for a horse's head.
  • (n.) A covering for a hawk's head and eyes. See Illust. of Falcon.
  • (n.) Anything resembling a hood in form or use
  • (n.) The top or head of a carriage.
  • (n.) A chimney top, often contrived to secure a constant draught by turning with the wind.
  • (n.) A projecting cover above a hearth, forming the upper part of the fireplace, and confining the smoke to the flue.
  • (n.) The top of a pump.
  • (n.) A covering for a mortar.
  • (n.) The hood-shaped upper petal of some flowers, as of monkshood; -- called also helmet.
  • (n.) A covering or porch for a companion hatch.
  • (n.) The endmost plank of a strake which reaches the stem or stern.
  • (v. t.) To cover with a hood; to furnish with a hood or hood-shaped appendage.
  • (v. t.) To cover; to hide; to blind.

Example Sentences:

  • (1) In 2009, a US army major shot 13 dead in Fort Hood, Texas .
  • (2) The menace we’re facing – and I say we, because no one is spared – is embodied by the hooded men who are ravaging the cradle of civilization.
  • (3) All recipient mice and their littermates were maintained in isolation hoods to eliminate the possibility of exposure to other sources of P. carinii.
  • (4) Regarding the shots fired from Brelo’s gun, O’Donnell said they could have been the ones causing death, but so could others fired by other officers before his shots from the hood of the vehicle.
  • (5) Top Gear, Robin Hood, Doctor Who, Primeval and Spooks were the company's top five highest-grossing shows sold internationally.
  • (6) To predict hood effectiveness, it is important to have knowledge of the airflow field that it generates.
  • (7) Asked if more needed to be done by Brinker and the board, Hood would only say: "They need to figure out what's going on.
  • (8) Andrew Hood, of the IFS, wrote: “Mr Osborne wants further cuts to social security spending to help reduce the deficit.
  • (9) Experiments were performed to measure velocities in front of six slot hoods.
  • (10) There is effective use of a scuba-like neoprene fabric which is slickly practical and gives a bold, shell-like silhouette to hooded coats and to sweatshirts which seems to reference the balloon and cocoon shapes that Cristobal Balenciaga invented to great acclaim in the 1950s.
  • (11) We cannot bring about justice through violence,” said the Rev Dr Jeff Hood, one of the organizers of the protest in Dallas.
  • (12) Repeated exposure of the nasal hoods to microwaves resulted in no damage to their texture and flexibility.
  • (13) History will judge you and you must at last answer your own conscience.” About 40 of the demonstrators wore orange jumpsuits, more than half of whom also donned black hoods over their faces, and one held up his wrists in handcuffs.
  • (14) David Lengel (@LengelDavid) FYI - I strongly object to Cards first base coach Chris Maloney wearing a hooded sweatshirt under his uniform.
  • (15) Raymond Hood – Terminal City (1929) 'Poem of towers' … Raymond Hood's 1929 drawings for the proposed Terminal City, in Chicago This never-built design for a massive new skyscraper quarter in Chicago is a vision of the modern city as a shadowed poem of towers; of glass and concrete dwarfing the people.
  • (16) Wearing royal blue cloaks with pointed hoods, the boys line up beside the road in a small village just outside the city of Ségou, chanting in unison.
  • (17) Fort Hood spokesman Chris Haug said the search continued after teams late Thursday night found the bodies of two soldiers who had been in the vehicle.
  • (18) Use of the laminar flow cabinet produced a significantly greater level of contamination than the other methods, and it is concluded that the exhaust-ventilated safety hood should be used for this procedure.
  • (19) The Fawn-Hooded strain of rats exhibits a hemorrhagic disorder, known as platelet storage pool deficiency.
  • (20) Using field observations, modelling techniques and theoretical analysis, parameters describing the performance and collection efficiency of large industrial canopy fume hoods are established for, a) steady state collection of fume and b) collection of plumes with fluctuating flowrates.

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).

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