Key vs Open - What's the difference?
key | open |
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.
(not comparable) Which is not closed; accessible; unimpeded; as, an open gate.
* 1908, (Kenneth Grahame), (The Wind in the Willows) , Chapter 2
* {{quote-magazine, date=2013-07-20, volume=408, issue=8845, magazine=(The Economist)
, title= Not drawn together, closed, or contracted; extended; expanded.
* Dryden
(not comparable) Actively conducting or prepared to conduct business.
(comparable) Receptive.
* Bible, Acts xix. 33
* Shakespeare
(not comparable) Public; as, an open letter, an open declaration.
* Shakespeare
* Milton
(not comparable) Candid, ingenuous, not subtle in character.
* Alexander Pope
* Shakespeare
* Addison
(mathematics, logic, of a formula) Having a free variable.
(mathematics, topology, of a set) Which is part of a predefined collection of subsets of , that defines a topological space on .
In current use; mapped to part of memory.
(business) Not fulfilled.
Not settled or adjusted; not decided or determined; not closed or withdrawn from consideration.
(music, stringed instruments) Without any fingers pressing the string against the fingerboard.
Not of a quality to prevent communication, as by closing waterways, blocking roads, etc.; hence, not frosty or inclement; mild; used of the weather or the climate.
(phonetics) Uttered with a relatively wide opening of the articulating organs; said of vowels.
(phonetics) Uttered, as a consonant, with the oral passage simply narrowed without closure.
To make something accessible or remove an obstacle to its being accessible.
* , chapter=7
, title= * {{quote-book, year=1963, author=(Margery Allingham), title=(The China Governess)
, chapter=20 To bring up (a topic).
To make accessible to customers or clients.
To start (a campaign).
To become .
* , chapter=1
, title= To begin conducting business.
To enter upon; to begin.
(cricket) To begin a side's innings as one of the first two batsmen.
(poker) To bet before any other player has in a particular betting round in a game of poker.
(transitive, intransitive, poker) To reveal one's hand.
To load into memory for viewing or editing.
To spread; to expand into an open or loose position.
(obsolete) To disclose; to reveal; to interpret; to explain.
* Francis Bacon
* Bible, Jer. xx. 12
A sports event in which anybody can compete; as, the Australian Open.
(electronics) a wire that is broken midway.
(with the ) Open or unobstructed space; an exposed location.
(with the ) Public knowledge or scrutiny; full view.
As a proper noun key
is .As a noun open is
.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
open
English
(wikipedia open)Adjective
(en adjective)- The open road, the dusty highway
The attack of the MOOCs, passage=Since the launch early last year of […] two Silicon Valley start-ups offering free education through MOOCs, massive open online courses, the ivory towers of academia have been shaken to their foundations. University brands built in some cases over centuries have been forced to contemplate the possibility that information technology will rapidly make their existing business model obsolete.}}
- an open''' hand; an '''open''' flower; an '''open prospect
- Each, with open arms, embraced her chosen knight.
- If Demetrius have a matter against any man, the law is open and there are deputies.
- The service that I truly did his life, / Hath left me open to all injuries.
- His thefts are too open .
- That I may find him, and with secret gaze / Or open admiration him behold.
- with aspect open , shall erect his head
- The Moor is of a free and open nature.
- The French are always open , familiar, and talkative.
- an open question
- to keep an offer or opportunity open
- an open winter
- (Francis Bacon)
Synonyms
* (not closed) accessible, unimpededAntonyms
* (accessible) closed, shutDerived terms
(Terms derived from the adjective "open") * break open * clopen * drop open * half-open * keep a weather eye open * keep an eye open * lay open * open-air * open-and-shut * open-armed * open-arse * open bar * open book * open cluster * open-collar * open compound * open content * open design * open-ended * open-eyed * open-face * open-faced * open fireplace * open goal * open-handed/openhanded * open heart surgery * open-hearted * open-hearth * open house * open interest * open letter * open listing * open loop * open marriage * open matte * open mic * open mind * open-mouthed * open outcry * open outsourcing * open-plan * open problem * open proxy * open sandwich * open sea * open season * open secret * open sight * open source * open system * open water * open-work * openable * openside * Open University * wide open * with open armsVerb
(en verb)Mr. Pratt's Patients, passage=I made a speaking trumpet of my hands and commenced to whoop “Ahoy!” and “Hello!” at the top of my lungs. […] The Colonel woke up, and, after asking what in brimstone was the matter, opened his mouth and roared “Hi!” and “Hello!” like the bull of Bashan.}}
citation, passage=‘No. I only opened the door a foot and put my head in. The street lamps shine into that room. I could see him. He was all right. Sleeping like a great grampus. Poor, poor chap.’}}
Mr. Pratt's Patients, chapter=1 , passage=I stumbled along through the young pines and huckleberry bushes. Pretty soon I struck into a sort of path that, I cal'lated, might lead to the road I was hunting for. It twisted and turned, and, the first thing I knew, made a sudden bend around a bunch of bayberry scrub and opened out into a big clear space like a lawn.}}
- to open''' a discussion; to '''open''' fire upon an enemy; to '''open''' trade, or correspondence; to '''open a case in court, or a meeting
- to open a closed fist
- to open matted cotton by separating the fibres
- The king opened himself to some of his council, that he was sorry for the earl's death.
- Unto thee have I opened my cause.
Antonyms
* (to make accessible) close, shutDerived terms
* open a can of whoop ass * open fire * open one's big mouth * open sesame * open shop * open the attack * open the face * open up * reopen *Noun
(en noun)- The electrician found the open in the circuit after a few minutes of testing.
- I can't believe you left the lawnmower out in the open when you knew it was going to rain this afternoon!
- Wary of hunters, the fleeing deer kept well out of the open , dodging instead from thicket to thicket.
- We have got to bring this company's corrupt business practices into the open .