Key vs Principal - What's the difference?
key | principal | Related terms |
An object designed to open and close a lock.
* , chapter=13
, title= An object designed to fit between two other objects (such as a shaft and a wheel) in a mechanism and maintain their relative orientation.
A crucial step or requirement.
* (John Locke) (1632-1705)
* (1809-1892)
A guide explaining the symbols or terminology of a map or chart; a legend.
A guide to the correct answers of a worksheet or test.
(label) One of several small, usually square buttons on a typewriter or computer keyboard, mostly corresponding to text characters.
(label) One of a number of rectangular moving parts on a piano or musical keyboard, each causing a particular sound or note to be produced.
(label) One of various levers on a musical instrument used to select notes, such as a lever opening a hole on a woodwind.
(label) A hierarchical scale of musical notes on which a composition is based.
* 1881 , R.L. Stevenson, :
(label) The general pitch or tone of a sentence or utterance.
* (William Cowper) (1731-1800)
(label) An indehiscent, one-seeded fruit furnished with a wing, such as the fruit of the ash and maple; a samara.
(label) A manual electrical switching device primarily used for the transmission of Morse code.
(label) A piece of information (e.g. a passphrase) used to encode or decode a message or messages.
(label) A password restricting access to an IRC channel.
* 2000 , "Robert Erdec", Re: Help; mIRC32; unable to resolve server arnes.si'' (on newsgroup ''alt.irc.mirc )
(label) In a relational database, a field used as an index into another table (not necessarily unique).
(label) A value that uniquely identifies an entry in an associative array.
(label) The free-throw lane together with the circle surrounding the free-throw line, the free-throw lane having formerly been narrower, giving the area the shape of a skeleton key hole.
(label) A series of logically organized groups of discriminating information which aims to allow the user to correctly identify a taxon.
(label) Kilogram (though this is more commonly shortened to kay ).
* 2010 , David J. Silas, Da Block (page 41)
(label) A piece of wood used as a wedge.
(label) The last board of a floor when laid down.
(label) A keystone.
That part of the plastering which is forced through between the laths and holds the rest in place.
(rail transport) A wooden support for a rail on the bullhead rail system.
(label) The object used to open or close a lock, often used as a heraldic charge.
Indispensable, supremely important.
* 2007 , Mark H. Moss, Shopping as an Entertainment Experience (page 46)
Important, salient.
* {{quote-book, year=2006, author=
, title=Internal Combustion
, chapter=2 * {{quote-news
, year=2011
, date=September 29
, author=Jon Smith
, title=Tottenham 3 - 1 Shamrock Rovers
, work=BBC Sport
To fit (a lock) with a key.
To fit (pieces of a mechanical assembly) with a key to maintain the orientation between them.
To mark or indicate with a symbol indicating membership in a class.
* 1996 January, Garden Dsign Ideas , second printing, (Taunton Press), ISBN 1561580791, page 25,
* 2001 , Bruce M. Metzger, The Bible in Translation , ISBN 0801022827, page 87,
* 2002 , Karen Bromley, Stretching Students' Vocabulary , ISBN 0439288398, page 12,
* 2007 , Stephen Blake Mettee, Michelle Doland and Doris Hall, compilers, The American Directory of Writer's Guidelines , 6th ("2007–2008") edition, ISBN 1884956580, page 757,
(telegraphy and radio telegraphy) To depress (a telegraph key).
(radio) To operate (the transmitter switch of a two-way radio).
(computing) (more usually to key in ) To enter (information) by typing on a keyboard or keypad.
(colloquial) To vandalize (a car, etc.) by scratching with an implement such as a key.
To link (as one might do with a key or legend).
* 1960 , Richard L. Masland, "Classification of the Epilepsies", in Epilepsia , volume 1, page 516,
* '>citation
* '>citation
(intransitive, biology, chiefly, taxonomy) To be identified as a certain taxon when using a key.
To fasten or secure firmly; to fasten or tighten with keys or wedges.
Primary; most important.
* 1760 [1726], , ''The Odyssey , Volume 2,
* 1995 , Madeleine Cabos, Baedeker Paris ,
* 2005 , Ruth N. Collins, Application of Phylogenetic Algorithms to Assess Rab Functional Relationships'', Sidney P. Colowick, Alan Hall (editors), ''Methods in Enzymology , Volume 403,
(obsolete, Latinism) Of or relating to a prince; princely.
(finance, uncountable) The money originally invested or loaned, on which basis interest and returns are calculated.
* 1902 , William Pember Reeves, State Experiments in Australia and New Zealand , Volume 1, 2011, Cambridge University Press,
* 2012 , Denis Clifford, Plan Your Estate , 11th Edition, NOLO, US,
* 2012 , Fred Steingold, Legal Forms for Starting & Running a Small Business ,
(North America, Australia, New Zealand) The chief administrator of a school.
* 1971 , Louis Kaplan, Education and Mental Health ,
* 2008 , Brian Dive, The Accountable Leader: Developing Effective Leadership Through Managerial Accountability ,
* 2009 , Colin J. Marsh, Key Concepts for Understanding Curriculum ,
* 2011 , U.S. Department of Labor, Occupational Outlook Handbook 2011-2012 ,
(UK, Scotland, Canada) The chief executive and chief academic officer of a university or college.
* 1967 , University of Edinburgh Graduates? Association, University of Edinburgh Journal , Volumes 23-24,
(legal) One who directs another (the agent) to act on one?s behalf.
* 1958 , American Law Institute. Restatement of the Law, Second: Agency 2d'', Volume 7 ,
* 1966 , Pan American Union, The Marketing Structure for Selected Processed Food Products: In Sweden, Denmark, Norway, The Federal Republic of Germany, Canada and the United Kingdom ,
* 2009 , California Continuing Education of the Bar, California Probate Code ,
(legal) The primary participant in a crime.
* 1915 , Eugene Allen Gilmore, Wiliam Charles Wermuth, Modern American Law ,
A company represented by a salesperson.
(senseid) (North America) A partner or owner of a business.
(music) A diapason, a type of organ stop on a pipe organ.
(architecture, engineering) The construction that gives shape and strength to a roof, generally a truss of timber or iron; or, loosely, the most important member of a piece of framing.
The first two long feathers of a hawk's wing.
One of the turrets or pinnacles of waxwork and tapers with which the posts and centre of a funeral hearse were formerly crowned.
(obsolete) An essential point or rule; a principle.
A dancer at the highest rank within a professional dance company, particularly a ballet company.
In lang=en terms the difference between key and principal
is that key is to operate (the transmitter switch of a two-way radio) while principal is a diapason, a type of organ stop on a pipe organ.As nouns the difference between key and principal
is that key is an object designed to open and close a lock while principal is the money originally invested or loaned, on which basis interest and returns are calculated.As adjectives the difference between key and principal
is that key is indispensable, supremely important while principal is primary; most important.As a verb key
is to fit (a lock) with a key.As a proper noun Key
is {{surname}.key
English
Etymology 1
From (etyl) keye, kaye, . For the semantic development, note that medieval keys were simply long poles (ending in a hook) with which a crossbar obstructing a door from the inside could be removed from the outside, by lifting it through a hole in the door.Noun
(en noun)Mr. Pratt's Patients, passage=We tiptoed into the house, up the stairs and along the hall into the room where the Professor had been spending so much of his time. 'Twas locked, of course, but the Deacon man got a big bunch of keys out of his pocket and commenced to putter with the lock.}}
- Those who are accustomed to reason have got the true key of books.
- who keeps the keys of all the creeds
- A girl, it is true, has always lived in a glass house among reproving relatives, whose word was law; she has been bred up to sacrifice her judgments and take the key submissively from dear papa; and it is wonderful how swiftly she can change her tune into the husband's.
- You fall at once into a lower key .
- if you know someone who is in the channel, you can query them and ask for the key .
- So starting with ten keys' of cocaine and two ' keys of heroin, Derrick put his plan in motion. Soon every major drug dealer and gang chief from Chicago Avenue to Evanston was in his pocket.
Derived terms
(Derived terms) * candidate key * card key * church key * foreign key * keyboard * keycard * key card * keychain, key chain * key fob, keyfob * keyhole * keynote * keypad * keyring, key ring * key signature * keystone * keystroke * keyword * major key * minor key * Morse key * primary key * public-key cryptography * skeleton key * unique keySee also
* clef * scale * (wikipedia "key") *Adjective
(en adjective)- He is the key player on his soccer team.
- Lukas intimates that one of Disney's key attractions was "Main Street USA,” which "mimicked a downtown business district just as Southdale" had done.
- She makes several key points.
citation, passage=Throughout the 1500s, the populace roiled over a constellation of grievances of which the forest emerged as a key focal point. The popular late Middle Ages fictional character Robin Hood, dressed in green to symbolize the forest, dodged fines for forest offenses and stole from the rich to give to the poor. But his appeal was painfully real and embodied the struggle over wood.}}
citation, page= , passage=With the north London derby to come at the weekend, Spurs boss Harry Redknapp opted to rest many of his key players, although he brought back Aaron Lennon after a month out through injury.}}
Usage notes
The first meaning is distinguished by the definite article, as seen in the quotations.Verb
(en verb)- So I worked on a tissue-paper copy of the perimeter plan, outlining groupings of plants of the same species and keying them with letters for the species.
- The volume closes with thirty pages of "Notes, critical and explanatory," in which Thomson provides seventy-six longer or shorter notes keyed to specific sections of the synopsis.
- Talk about similarities between the words and write them below to the left of the anchor, keying' them with a plus sign (+). Talk about the characteristics that set the words apart and list them below the box to the right, ' keying them with a tilde sign (~).
- Indicate the comparative value of each heading by keying it with a number in pencil, in the left margin, as follows:
- Our instructor told us to key in our user IDs.
- He keyed the car that had taken his parking spot.
- The American Heart Association has prepared their own guide to classification and, keying it with the Standard Nomenclature of Diseases , have done much to encourage a concise yet complete diagnosis.
- (Francis)
Derived terms
* key in * key off * key out * keyed upEtymology 2
Variant of cay, from (etyl) cayo.Alternative forms
* cayAnagrams
*Etymology 3
principal
English
Alternative forms
* principall (obsolete)Adjective
(en adjective)- Smith is the principal architect of this design.
- The principal cause of the failure was poor planning.
page 217,
- In a word, the Epi?odes of Homer'' are complete Epi?odes; they are proper to the ?ubject, because they are drawn from the ground of the fable; they are ?o joined to the principal''' action, that one is the nece??ary con?equence of the other, either truly or probably: and la?tly, they are imperfect members which do not make a complete and fini?hed body; for an Epi?ode that makes a complete action, cannot be part of a ' principal action; as is e??ential to all Epi?odes.
page 105,
- The principal treasure of ths department, however, is the Stele of Hammurabi (1792—1750 B.C.), king of the first Babylonian kingdom, a basalt cylinder 2.25m/7ft 5in. inscribed with Hammurabi?s laws written in Akkadian in cuneiform script.
page 22,
- In theory, there are the same number of principal' components as there are variables, but in practice, usually only a few of the ' principal components need to be identified to account for most of the data variance.
- (Spenser)
Usage notes
Principal'' should not be confused with principle. ''Principle'' is always a noun, which is sometimes erroneously used with the meaning of the adjective ''principal . * Incorrect: He is the principle musician in the band * Correct: He is the principal musician in the band A mnemonic to avoid this confusion is "The principal'' alphabetic ''principle'' places ''A'' before ''E ". Principal'' is generally not used in the comparative or superlative in formal writing, as the meaning is already superlative. However, one may occasionally see, e.g., ''more principal'' meaning ''more likely to be principal'' or ''more nearly principal . There are similar issues with unique.Synonyms
* (primary) chief, main, primaryNoun
- A portion of your mortgage payment goes to reduce the principal , and the rest covers interest.
page 342,
- In March 1902, I find in the statement of liabilities and assets £711 put down as arrears of interest, but there is no entry of arrears of principal .
page 298,
- For instance, in some states, dividends that have automatically been reinvested will be treated as principal .
page 88,
- If you know the principal amount, the interest rate, and the number of years the payments will be made, you can consult an amortization calculator or schedule to arrive at the monthly payment.
page 413,
- The important administrative figure to the teacher is the school principal .
page 212,
- The problem was neatly summed up by one principal in Australia who said recently: ‘There is no incentive for me to develop my best teachers to become my successor.’
page 132,
- Now renamed Teaching Australia, its officers are undertaking exploratory steps in developing professional standards for school leaders. A National Standards Drafting Group of volunteer principals' is currently drafting ' principal standards (Teaching Australia, 2007).
page 45,
- Principals are now being held more accountable for the performance of students and teachers, while at the same time they are required to adhere to a growing number of government regulations.
page 314,
- Unlike the students, Principal' Robertson, who now resided almost alone in the College, continued to use the accistomed route on his visits to the Old Town; and it “became the joke of the day that from being the principal gate it had become only a gate for the ' Principal .”5
- ''When an attorney represents a client, the client is the principal who permits the attorney, the client?s agent, to act on the client?s behalf.
page 533,
- The firm admitted the amount owed, but averred as an affirmative defense that it had hired the expert as an agent of a disclosed principal , the client.
page 34,
- A food broker has been defined as an independent sales agent who performs the services of negotiating the sale of food and/or grocery products for and on account of the seller as principal .
page 375,
- An attorney-in-fact has a duty to act solely in yhe interest of the principal and to avoid conflicts of interest.
page 125,
- The accessories may be prosecuted, tried and punished, though the principal has not been prosecuted or has been acquitted.
- My principal sells metal shims.
- (Spenser)
