What's the difference between mask and task?

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).

Task


Definition:

  • (v.) Labor or study imposed by another, often in a definite quantity or amount.
  • (v.) Business; employment; undertaking; labor.
  • (v. t.) To impose a task upon; to assign a definite amount of business, labor, or duty to.
  • (v. t.) To oppress with severe or excessive burdens; to tax.
  • (v. t.) To charge; to tax; as with a fault.

Example Sentences:

  • (1) However, as the same task confronts the Lib Dems, do we not now have a priceless opportunity to bring the two parties together to undertake a fundamental rethink of the way social democratic principles and policies can be made relevant to modern society.
  • (2) However, the relationships between sociometric status and social perception varied as a function of task.
  • (3) Women seldom occupy higher positions in a [criminal] organisation, and are rather used for menial, but often dangerous tasks ,” it notes.
  • (4) Full consideration should be given to the dynamics of motion when assessing risk factors in working tasks.
  • (5) This implementation reduced a formidable task to a relatively routine run.
  • (6) Early detection of breast cancer is the major indication, and mammography is the single best test for this task.
  • (7) An operant delayed-matching task was used to assess the role of proactive interference (PI) effects on short-term memory capacity of rats.
  • (8) Learning ability was assessed using a radial arm maze task, in which the rats had to visit each of eight arms for a food reward.
  • (9) The effects of noise on information processing in perceptual and memory tasks, as well as time reaction to perceptual stimuli, were investigated in a laboratory experiment.
  • (10) A control experiment demonstrated that changes in general arousal could not account for the effects of task difficulty on neuronal responses.
  • (11) The pattern of results in simpler tasks is more difficult to interpret.
  • (12) In the appetitive passive avoidance task, only the substantia nigra lesion group exhibited a deficiency.
  • (13) For such a task, Malawi needs the best government it can get, and this will have to be demanded by the people.
  • (14) Stress may increase to an intolerable level with the number of tasks, with higher qualified work and due to the lack of familiarity with fellow workers in ever changing settings.
  • (15) The tasks which appeared to present the most difficulties for the patients were written spelling, pragmatic processing tasks like sentence disambiguation and proverb interpretation.
  • (16) Fifty-one severely retarded adults were taught a difficult visual discrimination in an assembly task by one of three training techniques: (a) adding and reducing large cue differences on the relevant-shape dimension; (b) adding and fading a redundant-color dimension; or (c) a combination of the two techniques.
  • (17) Similarities are pointed out between tasks used for the purpose of operationally defining the schizophrenic 'deficit' and tasks used to define creativity.
  • (18) On the reaction time task no main effects were found but the time X drinker category interaction was significant; in session 1 LSD's RT were shorter than those of HSD.
  • (19) Two different mental stressors were used: a mental arithmetic task with low stimulus intensity and one with high stimulus intensity characterised by more challenging instructions, a more competitive situation, and exposure to affective noise.
  • (20) This information then will allow the physician to determine safe levels of ventilation for a particular work task.