What's the difference between hat and headpiece?

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.

Headpiece


Definition:

  • (n.) Head.
  • (n.) A cap of defense; especially, an open one, as distinguished from the closed helmet of the Middle Ages.
  • (n.) Understanding; mental faculty.
  • (n.) An engraved ornament at the head of a chapter, or of a page.

Example Sentences:

  • (1) Three of these new changes were in the N-terminal domain (headpiece) of repressor, with one change in the core domain at aa 99.
  • (2) Further, 110K possesses an approximately 10 x 10(3) Mr terminal polypeptide segment that is immunologically related to villin headpiece.
  • (3) Our results show that essential domains of villin required to induce the growth of microvilli and F-actin redistribution are present in the first half of the core and in the headpiece.
  • (4) In contrast, the 31P NMR spectrum of the mutant operator, d(TATAGAGCGCTCATA)2, wild-type headpiece complex was significantly perturbed relative to the wild-type repressor-operator complex.
  • (5) The results suggest that at least certain hybrid protofilaments containing less than four headpieces are accepted in the filament.
  • (6) The 31P chemical shifts of the phosphates of a third mutant operator, d(TCTGAGCGCTCAGA)2, showed no perturbations upon addition of the wild-type headpiece.
  • (7) The conserved repeats are found in other actin-severing proteins but not in the villin headpiece.
  • (8) These results are consistent with the structure determined by NMR and molecular dynamics calculations of the NH2-terminal headpiece-symmetric operator complex (Lamerichs, R.M.J.N., Boelens, R., van der Marel, G.A., van Boom, J.H., Kaptein, R., Buck, F., Fera, B., and Rüterjans, H. (1989) Biochemistry 28, 2895-2991; de Vlieg, J., Berendsen, H.J.C., and van Gunsteren, W.F.
  • (9) D88, the headpiece domain fragment, binds only to the headpiece of intact desmin.
  • (10) Two-dimensional nuclear Overhauser effect (2D NOE) spectra of headpiece-operator complexes were taken in both D2O and H2O solutions.
  • (11) Ultimately, the headpiece was completely eliminated and the asymmetrical tonic neck reflex maintained a zero level of occurrence during lunch periods.
  • (12) The ATP binding site appears to be located in the headpiece and is made up from a series of loop sequences connecting alternating alpha helices and beta strands.
  • (13) The results are compared with earlier photo-CIDNP measurements on a complex of headpiece with poly[d(AT)] and with a model derived from a 2D NMR study on a lac headpiece-operator complex.
  • (14) lac repressor can be dissected by trypsin into a homogenous tetrameric core (accounting for residues 60 to 347), carrying inducer binding activity, and the monomeric amino-terminal peptides ("headpieces") accounting for residues 1 to 59 and 1 to 51, respectively.
  • (15) A centrally located highly alpha-helical domain of about 310 residues well-conserved in sequence principles and length is flanked by the highly variable sequences of the non-alpha-helical headpiece and tailpiece.
  • (16) delta may be a stalk which connects the Fl headpiece to the membrane, since the attachment of ECFl to the membrane exhibited an absolute dependence on delta.
  • (17) On the basis of the established dependence, curves were plotted for the probability forecast of the state of the injured person's consciousness depending on the rate at which the blow occurred and its localization, which may be used in the elaboration of methods for the appraisal of protective helmets and headpieces.
  • (18) Its performance on three data sets, derived from the lac-repressor headpiece of E. coli, sperm whale myoglobin, and domain 1 of bacteriophage T4 lysozyme, indicates that there may be families of related conformations that are consistent with the experimental data.
  • (19) The interaction of a symmetric lac operator duplex, d(TGTGAGCGCTCACA)2, with the N-terminal 56-residue headpiece fragment of the lac repressor protein was monitored by 31P NMR spectroscopy.
  • (20) We report here the total assignment of proton 1H and nitrogen 15NH backbone resonances of this headpiece in the free state.

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