What's the difference between principal and turret?

Principal


Definition:

  • (a.) Highest in rank, authority, character, importance, or degree; most considerable or important; chief; main; as, the principal officers of a Government; the principal men of a state; the principal productions of a country; the principal arguments in a case.
  • (a.) Of or pertaining to a prince; princely.
  • (n.) A leader, chief, or head; one who takes the lead; one who acts independently, or who has controlling authority or influence; as, the principal of a faction, a school, a firm, etc.; -- distinguished from a subordinate, abettor, auxiliary, or assistant.
  • (n.) The chief actor in a crime, or an abettor who is present at it, -- as distinguished from an accessory.
  • (n.) A chief obligor, promisor, or debtor, -- as distinguished from a surety.
  • (n.) One who employs another to act for him, -- as distinguished from an agent.
  • (n.) A thing of chief or prime importance; something fundamental or especially conspicuous.
  • (n.) A capital sum of money, placed out at interest, due as a debt or used as a fund; -- so called in distinction from interest or profit.
  • (n.) The construction which gives shape and strength to a roof, -- generally a truss of timber or iron, but there are roofs with stone principals. Also, loosely, the most important member of a piece of framing.
  • (n.) In English organs the chief open metallic stop, an octave above the open diapason. On the manual it is four feet long, on the pedal eight feet. In Germany this term corresponds to the English open diapason.
  • (n.) A heirloom; a mortuary.
  • (n.) The first two long feathers of a hawk's wing.
  • (n.) One of turrets or pinnacles of waxwork and tapers with which the posts and center of a funeral hearse were formerly crowned.
  • (n.) A principal or essential point or rule; a principle.

Example Sentences:

  • (1) In addition to their involvement in thrombosis, activated platelets release growth factors, most notably a platelet-derived growth factor (PDGF) which may be the principal mediator of smooth muscle cell migration from the media into the intima and of smooth muscle cell proliferation in the intima as well as of vasoconstriction.
  • (2) While stereology is the principal technique, particularly in its application to the parenchyma, other compartments such as the airways and vasculature demand modifications or different methods altogether.
  • (3) Chromatography and immunoassays are the two principal techniques used in research and clinical laboratories for the measurement of drug concentrations in biological fluids.
  • (4) This paper reports, principally, the caries results of the first three surveys of 5, 12 and 5-year-olds undertaken at the end of 1987, 1988 and 1989, respectively.
  • (5) Rigidly fixing the pubic symphysis stiffened the model and resulted in principal stress patterns that did not reflect trabecular density or orientations as well as those of the deformable pubic symphysis model.
  • (6) The binding parameters indicate that the principal activating effect of UMP is not simply to increase the affinity of the enzyme for glucose.
  • (7) Mononuclear phagocytic cells from patients with either principal form of leprosy functioned similarly to normal monocytes in phagocytosis while their fungicidal activity for C. pseudotropicalis was statistically significantly altered and was more evident in the lepromatous than in the tuberculoid type.
  • (8) In the terminal segment of the hamster epididymidis there was some evidence of micro-merocrine protein secretion a the level of the principal cells and clear evidence of granular secretion in the light cells, presumable of glycoproteins.
  • (9) In the analysis of background fluorescence, the principal components were, as for the two-step technique, autofluorescence and propidium spectral overlap.
  • (10) However, at Period B, neutrophil numbers in the BAL fluid were increased in the principal but not in the control animals.
  • (11) Principal conclusions are: 1) rapid change to predominantly heterosexual HIV transmission can occur in North America, with serious societal impact; 2) gender-specific clinical features can lead to earlier diagnosis of HIV infection in women; 3) HIV infection in women does not pursue an inherently more rapid course than that observed in men.
  • (12) The concentrations of the principal extratesticular androgens and estradiol do not seem to have a quantitative influence on these androphilic proteins either.
  • (13) A principal function of GPIb is its attachment to von Willebrand Factor (vWF) on injured blood vessels which leads to the adhesion of platelets to these vessels.
  • (14) The principal variables influencing a particular configuration and their effects are indicated.
  • (15) The principal form of HMTs produced by these human peripheral blood monocytes has been subjected to biochemical, functional, and serological characterization.
  • (16) Micronutrient antioxidants such as alpha-tocopherol, the principal lipid-soluble antioxidant, assume potential significance because levels can be manipulated by dietary measures without resulting in side effects.
  • (17) Cytochrome oxidase histochemistry revealed patchy patterns of the enzyme activity in transverse sections through the caudal part of the ventral subnucleus of the principal sensory trigeminal nucleus, interpolar spinal trigeminal nucleus, and layer IV of the caudal spinal trigeminal nucleus in the cat.
  • (18) 3. an up-to-date review of the principal methods and systems used to measure the sedimentation rate--Automation of the Westergren initial methodology.
  • (19) • Queen Margaret Union, one of the University of Glasgow's two student unions, says 200 students there are marching on the principal's office at the moment to present an anti-cuts petition.
  • (20) This observation provides corroboration for the identification of the principal CCK-I neuron in the rat olfactory bulb as the centrally projecting middle tufted cell.

Turret


Definition:

  • (n.) A little tower, frequently a merely ornamental structure at one of the angles of a larger structure.
  • (n.) A movable building, of a square form, consisting of ten or even twenty stories and sometimes one hundred and twenty cubits high, usually moved on wheels, and employed in approaching a fortified place, for carrying soldiers, engines, ladders, casting bridges, and other necessaries.
  • (n.) A revolving tower constructed of thick iron plates, within which cannon are mounted. Turrets are used on vessels of war and on land.
  • (n.) The elevated central portion of the roof of a passenger car. Its sides are pierced for light and ventilation.

Example Sentences:

  • (1) The Christmas theme doesn't end there; "America's Christmas Hometown" also has Santa's Candy Castle, a red-brick building with turrets that was built by the Curtiss Candy Company in the 1930s and sells gourmet candy canes in abundance.
  • (2) You'll pedal through picture-perfect fishing villages, past medieval turreted towers and traverse Lahemaa, Estonia's first national park ( visitestonia.com ).
  • (3) There are palatial piles, puffed up confections of domes and turrets, alongside low-slung sheds, streamlined intersecting planes oozing the free flow of democracy.
  • (4) As the sun set over the cratered fields around Debaltseve, a group of pro-Russia Cossack fighters were retrieving boxes of anti-tank artillery rounds and two armoured vehicles left by Kiev’s forces on the side of the Rostov-Kharkiv highway, which was littered with mangled cars and turret-less tanks.
  • (5) In July 1965, he escaped from Wandsworth prison, "the hate factory" in south-west London, through the ingenious use of a rope ladder and a furniture lorry with a specially constructed turret that had been parked outside the jail.
  • (6) Accessible only on foot, the Needles section of the Canyonlands national park has pink and creamy turrets, chimneys, gullies, mysterious canyons and weird formations.
  • (7) The Turret nebuliser proved to be the most efficient, but several other brands would also be acceptable if used with a powerful compressor.
  • (8) A method of measuring the amount of slack inherent in the system of Edgewise brackets and archwires is presented, and some related problems concerning the use of turrets discussed.
  • (9) We started behind Helghast lines, at the top of a cliff, looking down on a forest in which a pall of smoke indicated a downed aircraft which we had to reach; another objective involved disabling anti-aircraft turrets.
  • (10) This new work was described by the author as "an evening of high drung and slarrit" which, "with its turrets and its high-jointed gables, should have a particular appeal for anyone approaching it for the first time with a lasso".
  • (11) Due to limitation of measuring diaphragm of turret in the microscope, some extra large cell could not be included in it and was excluded from the measurement.
  • (12) Britain’s previous prime minister was uneasy, a sentiment that was felt – it later turned out – all the way up to the highest turrets in the land.
  • (13) Ten years ago the National Trust bought the redbrick house studded with romantic details including turrets, stained glass, window seats, a miniature minstrels' gallery and a well, and opened it to the public for the first time.
  • (14) Our understanding of the daily realities for LGBT people in the UK does not emanate from a 14-year-old in Motherwell, or a still-closeted retiree in Penarth, but from metropolitan professionals depicting gay life from a turret of privilege.
  • (15) The highlights of AML major wartime projects are presented: development and production of breathing oxygen equipment, including pressure breathing for use above 50,000 ft; evaluation of insulative and electrically heated flying clothing, useful for confined cockpit space and for use at first in B-17 gun turrets; development and evaluation of anti-G suits for the new, high-performance, fighter aircraft; the role of anthropometry in design of aircraft cockpits and personal flying equipment; Laboratory tests of human tolerance to explosive decompression in new Air Force pressurized bombers (B-29) and future fighters (P-80 series), and actual flight tests in the Lockheed Constellation and Boeing C-97.
  • (16) Rats receiving milk from cows fed Turret RSM developed larger thyroid than those receiving milk from control-fed cows.
  • (17) Bunkrooms are bright and spacious, double rooms are available, and the fetching rooftop bar overlooks red-tiled roofs and Habsburg turrets.
  • (18) These differences may be ascribed partly to the smaller droplet size from the Turret system and partly to the higher nebulisation rate from the more powerful Maxi compressor.
  • (19) • Katie Mulgrew is at the Turret, Gilded Balloon, until 24 August.
  • (20) The site remains filled with gradually decaying Santa figurines, rusty reindeer rides and crumbling candy cane turrets, making it feel more eerie than festive.