What's the difference between master and principal?

Master


Definition:

  • (n.) A vessel having (so many) masts; -- used only in compounds; as, a two-master.
  • (n.) A male person having another living being so far subject to his will, that he can, in the main, control his or its actions; -- formerly used with much more extensive application than now. (a) The employer of a servant. (b) The owner of a slave. (c) The person to whom an apprentice is articled. (d) A sovereign, prince, or feudal noble; a chief, or one exercising similar authority. (e) The head of a household. (f) The male head of a school or college. (g) A male teacher. (h) The director of a number of persons performing a ceremony or sharing a feast. (i) The owner of a docile brute, -- especially a dog or horse. (j) The controller of a familiar spirit or other supernatural being.
  • (n.) One who uses, or controls at will, anything inanimate; as, to be master of one's time.
  • (n.) One who has attained great skill in the use or application of anything; as, a master of oratorical art.
  • (n.) A title given by courtesy, now commonly pronounced mister, except when given to boys; -- sometimes written Mister, but usually abbreviated to Mr.
  • (n.) A young gentleman; a lad, or small boy.
  • (n.) The commander of a merchant vessel; -- usually called captain. Also, a commissioned officer in the navy ranking next above ensign and below lieutenant; formerly, an officer on a man-of-war who had immediate charge, under the commander, of sailing the vessel.
  • (n.) A person holding an office of authority among the Freemasons, esp. the presiding officer; also, a person holding a similar office in other civic societies.
  • (v. t.) To become the master of; to subject to one's will, control, or authority; to conquer; to overpower; to subdue.
  • (v. t.) To gain the command of, so as to understand or apply; to become an adept in; as, to master a science.
  • (v. t.) To own; to posses.
  • (v. i.) To be skillful; to excel.

Example Sentences:

  • (1) Once the normal variations are mastered, appreciation of retinal, choroidal, optic nerve, and vitreal abnormalities is possible.
  • (2) There’s a fine line between pushing them to their limits and avoiding injury, and Alberto is a master at it.
  • (3) At the masters level, efforts are generally directed at utilization and evaluation of research more than design and implementation.
  • (4) He loved that I had a politics degree and a Masters.
  • (5) Learn from the masters The best way to recognise a good shot is to look at lots of other photographs.
  • (6) We’re all very upset right now,” said Daniel Ray, 24, in his third year of the divinity master’s degree program.
  • (7) The fitting element to a Cabrera victory would have been thus: the final round of the 77th Masters fell on the 90th birthday of Roberto De Vicenzo, the great Argentine golfer who missed out on an Augusta play-off by virtue of signing for the wrong score.
  • (8) The four members of the committee are all masters of wine, and the chairman is a retired diplomat, Sir David Wright.
  • (9) The master unit is probably present in all seven pairs.
  • (10) Examination of the role of the public health officer indicates that registered nurses with a master's degree in public health have, in many cases, more training and experience than physicians to function effectively in this role.
  • (11) The technique is readily mastered by any urologist experienced in endoscopic surgery.
  • (12) Here, the balance of power is clear: the master is dominating the servant – and not the other way around, as is the case with Google Now and the poor.
  • (13) Unions warned it could lead to a system where civil servants were loyal to their political masters rather than the taxpayer.
  • (14) Though there will be an open competition, the job is expected to go to Lord Dyson, who will step down from the supreme court to become master of the rolls.
  • (15) I can’t think about retiring,” said Miyazaki, who will compete in the Japanese masters championships next month.
  • (16) Each health educator would receive an adjunct appointment at the health-grant university and would be required to participate in special training sessions and to master progressive health education strategies.
  • (17) Part of the problem is that today's science is taking human capabilities to master nature to new levels.
  • (18) For Tóibín, it is the third time on the Booker shortlist following The Blackwater Lightship in 1999 and The Master in 2004.
  • (19) My immediate suspicion is that the pupil is taking the same course as the master, though I accept it is a large thesis to hang on beige furnishings.
  • (20) He will only be able to satisfy all the expectations if he masters, by virtue of his training and experience, the art of setting up a treatment plan with priorities.

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.