What's the difference between hat and headgear?

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.

Headgear


Definition:

  • (n.) Headdress.
  • (n.) Apparatus above ground at the mouth of a mine or deep well.

Example Sentences:

  • (1) Asymmetries occur less often whilst using the low-cervical-pull according to Sander, due to the reduced friction between the two plastic parts of this headgear system.
  • (2) Eight macerated human child skulls with a dental age of approximately 9.5 years (mixed dentition) were consecutively subjected to an experimental standardized high-pull headgear traction system attached to the maxilla at the first permanent molar area via an immovable acrylic resin splint covering all teeth.
  • (3) Questionnaires designed to assess attitudes and use of headgear were completed by 537 Division I collegiate wrestlers.
  • (4) This is brought about by the corresponding mechanics of the activator-headgear combination.
  • (5) These results demonstrated that open bite complicated by a Class II vertical growth pattern can be treated during the mixed dentition with favorable results by a combination of a removable functional appliance and high-pull headgear.
  • (6) While no change in SNA occurred with Andresen therapy, Begg and headgear therapies produced a permanent reduction in the variable.
  • (7) The bite-jumping-appliance BJA is a special functional appliance which affects the upper jaw comparably to activator headgear combinations (SNA angle).
  • (8) Cervical headgear, Class II, or vertical elastics were used when indicated.
  • (9) All wearers of headgear and their families should be educated in the proper use of these devices and about the potential for severe facial injuries.
  • (10) The headgear force can either be distributed directly on the teeth to be moved, on hooks which are soldered on the archwire, on chin caps or mandibular troughs resp.
  • (11) Two types of cervical headgear were presented, the cervical traction with caudal tip and with cranial tip of the long outer bow.
  • (12) The pterygoid plates of the sphenoid bone, the zygomatic arches, the junction of the maxilla with the lacrimal bone and the ethmoid, and the maxillary teeth were affected by both types of headgear.
  • (13) The bilateral ear protection device, referred to as "headgear", is fitted to all patients in the burn center who require intubation for an inhalation injury; it is worn continuously until extubation.
  • (14) The facebow, which is of necessity removable, can be displaced from its intra-oral attachments (whilst still connected to the headgear by the elastics) and may result in personal injury.
  • (15) Girls were more cooperative in wearing headgear, which was related to their more general attitude of cooperation.
  • (16) A small reduction was also produced in SNB by Begg and headgear therapies.
  • (17) The effect of lever arms in the headgear assembly on the load delivered to the teeth warrants further study.
  • (18) Six subjects would rotate their heads laterally (from side-to-side) for 30 min with each of the headgear loading combinations.
  • (19) The study comprises an analysis of the effect of treatment with a modified activator combined with a high-pull headgear during a standardized observation period of the initial 6 months of treatment.
  • (20) Four subjects were monitored in the sleep lab with both our headgear and standard polysomnography.

Words possibly related to "hat"