What's the difference between hat and role?

Hat


Definition:

  • (a.) Hot.
  • () sing. pres. of Hote to be called. Cf.
  • (n.) A covering for the head; esp., one with a crown and brim, made of various materials, and worn by men or women for protecting the head from the sun or weather, or for ornament.

Example Sentences:

  • (1) The result of this study demonstrates that both the "hat" and "inverted" type grafts are highly successful and satisfactory procedures.
  • (2) On the other hand the TUC says people should also be prepared to be out in the sun for several hours and bring sunscreen and if possible a hat.
  • (3) When you score a hat trick in the first 16 minutes of a World Cup Final with tens of millions of people watching across the world, essentially ending the match and clinching the tournament before most players worked up a sweat or Japan had a chance to throw in the towel, your status as a sports legend is forever secure – and any favorable comparisons thrown your way are deserved.
  • (4) Which certainly isn't a charge you can level at Sony – in recent years, it has conspicuously championed indies (winning a hatful of Baftas for Journey and The Unfinished Swan in the process).
  • (5) It’s not going to change whether I score a hat-trick or don’t score at all.
  • (6) Never had I heard anything about what I saw documented so unsparingly in Evan’s photographs: families sleeping in the streets, their clothes in shreds, straw hats torn and unprotecting of the sun, guajiros looking for work on the doorsteps of Havana’s indifferent mansions.
  • (7) "On 22 May," reads the legend above their black fedora hats, "Jens and Sedsel will choose who's in charge in Europe .
  • (8) But that Monday night, I went to bed and decided to throw my hat in the ring."
  • (9) That is the question facing Major League Baseball pitchers who are faced with the horrendous looking but protective hat that made its debut this week.
  • (10) In the present study, the clinical value of handgrip-apexcardiographic test (HAT) for identifying patients with new ischemia by the assessment of LV diastolic abnormalities during HG was prospectively investigated.
  • (11) Now, you have to put on a producer's hat, a director's hat, a writer's hat.
  • (12) It was his second hat-trick in four games and he has now scored 10 times in seven.
  • (13) Human African trypanosomiasis (HAT) in Zaïre is a medical problem of first importance, particularly in endemic areas where sleeping sickness threatens about 10 millions of human beings almost the third of the whole population.
  • (14) It is proposed that the acceleration of 3-HAT oxidation leads to the enhancement of the 3-HAT toxicity.
  • (15) Christian Benteke has been revitalised under Sherwood and he followed up his hat-trick in last Tuesday’s 3-3 draw with Queens Park Rangers by scoring the winner here.
  • (16) He had to watch her score a hat-trick and lift the trophy on television instead.
  • (17) Girls loved him, his flouncy lace sleeves, tight trousers, big hats, curly hair.
  • (18) Highlight: Mike Magee’s opening day hat-trick against the team he ended the season with.
  • (19) "What I realised is that the most important thing is China," he says, cradling a beer and still wearing his trademark cowboy-style wide-rimmed hat.
  • (20) There was more magic on ITV at 9.10pm with The Illusionists, but it was unable to pull an overnights rabbit out of the hat, with just under 2 million viewers, an 8.5% share.

Role


Definition:

  • (n.) A part, or character, performed by an actor in a drama; hence, a part of function taken or assumed by any one; as, he has now taken the role of philanthropist.

Example Sentences:

  • (1) The role of the family practitioner in antenatal care is discussed.
  • (2) The high amino acid levels in the cells suggest that these cells act as inter-organ transporters and reservoirs of amino acids, they have a different role in their handling and metabolism from those of mammals.
  • (3) These results demonstrate that increased availability of galactose, a high-affinity substrate for the enzyme, leads to increased aldose reductase messenger RNA, which suggests a role for aldose reductase in sugar metabolism in the lens.
  • (4) In this study, the role of psychological make-up was assessed as a risk factor in the etiology of vasospasm in variant angina (VA) using the Cornell Medical Index (CMI).
  • (5) The role of Ca2+ in cell agglutination may be either to activate the cell-surface dextran receptor or to form specific intercellular Ca2+ bridges.
  • (6) The role of whole Mycobacteria, mycobacterial cell walls and waxes D as immunostimulants was well established many years ago.
  • (7) We have investigated a physiological role of endogenous insulin on exocrine pancreatic secretion stimulated by a liquid meal as well as exogenous secretin and cholecystokinin octapeptide (CCK-8) in conscious rats.
  • (8) The data indicate that ebselen is likely to be useful in the therapy of inflammatory conditions in which reactive oxygen species, such as peroxides, play an aetiological role.
  • (9) We have examined the insertion of bovine 17 alpha-hydroxylase (P45017 alpha) into the endoplasmic reticulum of COS 1 cells to evaluate the functional role of its hydrophobic amino-terminal sequence and membrane insertion.
  • (10) Although solely nociresponsive neurons are clearly likely to fill a role in the processing and signalling of pain in the conscious central nervous system, the way in which such useful specificity could be conveyed by multireceptive neurons is difficult to appreciate.
  • (11) gamma-Aminobutyric acid (GABA) and glutamate release from the treated side was higher than the control value during the first 2-3 h, a result indicating an important role of glial cells in the inactivation of released transmitter.
  • (12) Although antihistamines are widely used for symptomatic treatment of seasonal (allergic) rhinitis, the role of histamines in the pathogenesis of infectious rhinitis is not clear.
  • (13) Because many wnt genes are also expressed in the lung, we have examined whether the wnt family member wnt-2 (irp) plays a role in lung development.
  • (14) As prolongation of the action potential by TEA facilitates preferentially the hormone release evoked by low (ineffective) frequencies, it is suggested that a frequency-dependent broadening of action potentials which reportedly occurs on neurosecretory neurones may play an important role in the frequency-dependent facilitation of hormone release from the rat neurohypophysis.
  • (15) The role of O2 free radicals in the reduction of sarcolemmal Na+-K+-ATPase, which occurs during reperfusion of ischemic heart, was examined in isolated guinea pig heart using exogenous scavengers of O2 radicals and an inhibitor of xanthine oxidase.
  • (16) A possible role for mitochondria in myocardial adenosine production is discussed.
  • (17) Further studies are required to elucidate specific roles of the steroid-induced proteins in the effects of glucocorticoids on HTM and HS cells.
  • (18) To clarify the functional roles of His40, Glu58, and His92, we analyzed the consequences of several amino acid substitutions (His40Ala, His40Lys, His40Asp, Glu58Ala, Glu58Gln, and His92Gln) on the kinetics of GpC transesterification.
  • (19) The manufacturers, British Aerospace describe it as a "single-seat, radar equipped, lightweight, multi-role combat aircraft, providing comprehensive air defence and ground attack capability".
  • (20) The presently available data allow us to draw the following conclusions: 1) G proteins play a mediatory role in the transmission of the signal(s) generated upon receptor occupancy that leads to the observed cytoskeletal changes.

Words possibly related to "hat"