Webster's Unabridged Dictionary - Letter O - Page 17
Open (v. t.) To spread; to expand; as, to open the hand.
Open (v. t.) To disclose; to reveal; to interpret; to explain.
The king opened himself to some of his council, that he was sorry for the earl's death. -- Bacon.
Unto thee have I opened my cause. -- Jer. xx. 12.
While he opened to us the Scriptures. -- Luke xxiv. 32.
Open (v. t.) To make known; to discover; also, to render available or accessible for settlements, trade, etc.
The English did adventure far for to open the North parts of America. -- Abp. Abbot.
Open (v. t.) To enter upon; to begin; as, to open a discussion; to open fire upon an enemy; to open trade, or correspondence; to open a case in court, or a meeting.
Open (v. t.) To loosen or make less compact; as, to open matted cotton by separating the fibers.
To open one's mouth, To speak.
To open up, To lay open; to discover; to disclose.
Poetry that had opened up so many delightful views into the character and condition of our "bold peasantry, their country's pride." -- Prof. Wilson.
Open (v. i.) To unclose; to form a hole, breach, or gap; to be unclosed; to be parted.
The earth opened and swallowed up Dathan, and covered the company of Abiram. -- Ps. cvi. 17.
Open (v. i.) To expand; to spread out; to be disclosed; as, the harbor opened to our view.
Open (v. i.) To begin; to commence; as, the stock opened at par; the battery opened upon the enemy.
Open (v. i.) (Sporting) To bark on scent or view of the game.
Open (a.) Affording unobstructed entrance and exit; not shut or closed; "an open door"; "they left the door open" [syn: open, unfastened] [ant: closed, shut, unopen].
Open (a.) Affording free passage or access; "open drains"; "the road is open to traffic"; "open ranks" [ant: closed].
Open (a.) With no protection or shield; "the exposed northeast frontier"; "open to the weather"; "an open wound" [syn: exposed, open].
Open (a.) Open to or in view of all; "an open protest"; "an open letter to the editor."
Open (a.) Used of mouth or eyes; "keep your eyes open"; "his mouth slightly opened" [syn: open, opened] [ant: closed, shut].
Open (a.) Not having been filled; "the job is still open."
Open (a.) Accessible to all; "open season"; "an open economy."
Open (a.) Not defended or capable of being defended; "an open city"; "open to attack" [syn: assailable, undefendable, undefended, open].
Open (a.) (Of textures) Full of small openings or gaps; "an open texture"; "a loose weave" [syn: loose, open].
Open (a.) Having no protecting cover or enclosure; "an open boat"; "an open fire"; "open sports cars."
Open (a.) (Set theory) Of an interval that contains neither of its endpoints [ant: closed].
Open (a.) Not brought to a conclusion; subject to further thought; "an open question"; "our position on this bill is still undecided"; "our lawsuit is still undetermined" [syn: open, undecided, undetermined, unresolved].
Open (a.) Not sealed or having been unsealed; "the letter was already open"; "the opened package lay on the table" [syn: open, opened].
Open (a.) Without undue constriction as from e.g. tenseness or inhibition; "the clarity and resonance of an open tone"; "her natural and open response."
Open (a.) Ready or willing to receive favorably; "receptive to the proposals" [syn: receptive, open] [ant: unreceptive].
Open (a.) Open and observable; not secret or hidden; "an overt lie"; "overt hostility"; "overt intelligence gathering"; "open ballots" [syn: overt, open] [ant: covert].
Open (a.) Not requiring union membership; "an open shop employs nonunion workers."
Open (a.) Possibly accepting or permitting; "a passage capable of misinterpretation"; "open to interpretation"; "an issue open to question"; "the time is fixed by the director and players and therefore subject to much variation" [syn: capable, open, subject].
Open (a.) Affording free passage or view; "a clear view"; "a clear path to victory"; "open waters"; "the open countryside" [syn: clear, open].
Open (a.) Openly straightforward and direct without reserve or secretiveness; "his candid eyes"; "an open and trusting nature"; "a heart-to-heart talk" [syn: candid, open, heart-to-heart].
Open (a.) Ready for business; "the stores are open."
Open (n.) A clear or unobstructed space or expanse of land or water; "finally broke out of the forest into the open" [syn: open, clear].
Open (n.) Where the air is unconfined; "he wanted to get outdoors a little"; "the concert was held in the open air"; "camping in the open" [syn: outdoors, out-of-doors, open air, open].
Open (n.) A tournament in which both professionals and amateurs may play.
Open (n.) Information that has become public; "all the reports were out in the open"; "the facts had been brought to the surface" [syn: open, surface].
Open (v.) Cause to open or to become open; "Mary opened the car door" [syn: open, open up] [ant: close, shut].
Open (v.) Start to operate or function or cause to start operating or functioning; "open a business" [syn: open, open up] [ant: close, close down, close up, fold, shut down].
Open (v.) Become open; "The door opened" [syn: open, open up] [ant: close, shut].
Open (v.) Begin or set in action, of meetings, speeches, recitals, etc.; "He opened the meeting with a long speech" [ant: close].
Open (v.) Spread out or open from a closed or folded state; "open the map"; "spread your arms" [syn: unfold, spread, spread out, open] [ant: fold, fold up, turn up].
Open (v.) Make available; "This opens up new possibilities" [syn: open, open up].
Open (v.) Become available; "an opportunity opened up" [syn: open, open up].
Open (v.) Have an opening or passage or outlet; "The bedrooms open into the hall."
Open (v.) Make the opening move; "Kasparov opened with a standard opening."
Open (v.) Afford access to; "the door opens to the patio"; "The French doors give onto a terrace" [syn: afford, open, give].
Open (v.) Display the contents of a file or start an application as on a computer [ant: close].
Open (v.) [You-R] OPerating ENvironment (Infineon, RFID).
OPEN, () Open Protocol Enhanced Networks.
Open (n.) Abbreviation for ?open (or left) parenthesis? ? used when necessary to eliminate oral ambiguity. To read aloud the LISP form (DEFUN FOO (X) (PLUS X 1)) one might say: ?Open defun foo, open eks close, open, plus eks one, close close.?
Open, () To prepare to read or write a file. This usually involves checking whether the file already exists and that the user has the necessary authorisation to read or write it.
The result of a successful open is usually some kind of capability (e.g. a Unix file descriptor) - a token that the user passes back to the system in order to access the file without further checks and finally to close the file.
Open, () Abbreviation for "open (or left) parenthesis" - used when necessary to eliminate oral ambiguity.
To read aloud the LISP form (DEFUN FOO (X) (PLUS X 1)) one might say: "Open defun foo, open eks close, open, plus eks one, close close."
Open, () Non-proprietary. An open standard is one which can be used without payment.
Open, () Open interval.
Open-air (a.) Taking place in the open air; outdoor; as, an open-air game or meeting.
Openbill (n.) A bird of the genus Anastomus, allied to the stork; -- so called because the two parts of the bill touch only at the base and tip. One species inhabits India, another Africa. Called also open-beak. See Illust. (m), under Beak.
Open-ended investment company (n.) OEIC. A type of company that allows investors to collectively pool together money to invest in various opportunities. As money is invested, shares are created. When a shareholder requests to sell shares, that money is then redeemed. The value of a share varies with the value of the OEIC's net portfolio value (NPV). It is most often used in the United Kingdom. In the United States it is referred to as an open-ended mutual fund.
Opener (n.) One who, or that which, opens.
Open-eyed (a.) With eyes widely open; watchful; vigilant.
Open-handed (a.) Generous; liberal; munificent.
Open-headed (a.) Bareheaded.
Open-hearted (a.) Candid; frank; generous.
Opening (n.) The act or process of opening; a beginning; commencement; first appearance; as, the opening of a speech.
Opening (n.) A place which is open; a breach; an aperture; a gap; cleft, or hole.
Opening (n.) Hence: A vacant place; an opportunity; as, an opening for business.
Opening (n.) A thinly wooded space, without undergrowth, in the midst of a forest; as, oak openings.
Openly (adv.) In an open manner; publicly; not in private; without secrecy.
Openly (adv.) Without reserve or disguise; plainly; evidently.
Open-mouthed (a.) Having the mouth open; gaping; hence, greedy; clamorous.
Openness (n.) The quality or state of being open.
Openwork (n.) Anything so constructed or manufactured (in needlework, carpentry, metal work, etc.) as to show openings through its substance; work that is perforated or pierced.
Openwork (n.) A quarry; an open cut.
Opera (n.) A drama, either tragic or comic, of which music forms an essential part; a drama wholly or mostly sung, consisting of recitative, arials, choruses, duets, trios, etc., with orchestral accompaniment, preludes, and interludes, together with appropriate costumes, scenery, and action; a lyric drama.
Opera (n.) The score of a musical drama, either written or in print; a play set to music.
Opera (n.) The house where operas are exhibited.
Operable (a.) Practicable.
Operameter (n.) An instrument or machine for measuring work done, especially for ascertaining the number of rotations made by a machine or wheel in manufacturing cloth; a counter.
Operance (n.) Alt. of Operancy.
Operancy (n.) The act of operating or working; operation.
Operand (n.) The symbol, quantity, or thing upon which a mathematical operation is performed; -- called also faciend.
Operant (a.) Operative.
Operant (n.) An operative person or thing.
Operated (imp. & p. p.) of Operate.
Operating (p. pr. & vb. n.) of Operate.
Operate (v. i.) To perform a work or labor; to exert power or strengh, physical or mechanical; to act.
Operate (v. i.) To produce an appropriate physical effect; to issue in the result designed by nature; especially (Med.), to take appropriate effect on the human system.
Operate (v. i.) To act or produce effect on the mind; to exert moral power or influence.
Operate (v. i.) To perform some manual act upon a human body in a methodical manner, and usually with instruments, with a view to restore soundness or health, as in amputation, lithotomy, etc.
Operate (v. i.) To deal in stocks or any commodity with a view to speculative profits.
Operate (v. t.) To produce, as an effect; to cause.
Operate (v. t.) To put into, or to continue in, operation or activity; to work; as, to operate a machine.
Operatic (a.) Alt. of Operatical.
Operatical (a.) Of or pertaining to the opera or to operas; characteristic of, or resembling, the opera.
Operation (n.) The act or process of operating; agency; the exertion of power, physical, mechanical, or moral.
Operation (n.) The method of working; mode of action.
Operation (n.) That which is operated or accomplished; an effect brought about in accordance with a definite plan; as, military or naval operations.
Operation (n.) Effect produced; influence.
Operation (n.) Something to be done; some transformation to be made upon quantities, the transformation being indicated either by rules or symbols.
Operation (n.) Any methodical action of the hand, or of the hand with instruments, on the human body, to produce a curative or remedial effect, as in amputation, etc.
Operative (a.) Having the power of acting; hence, exerting force, physical or moral; active in the production of effects; as, an operative motive.
Operative (a.) Producing the appropriate or designed effect; efficacious; as, an operative dose, rule, or penalty.
Operative (a.) Based upon, or consisting of, an operation or operations; as, operative surgery.
Operative (n.) A skilled worker; an artisan; esp., one who operates a machine in a mill or manufactory.
Operatively (adv.) In an operative manner.
Operator (n.) One who, or that which, operates or produces an effect.
Operator (n.) One who performs some act upon the human body by means of the hand, or with instruments.
Operator (n.) A dealer in stocks or any commodity for speculative purposes; a speculator.
Operator (n.) The symbol that expresses the operation to be performed; -- called also facient.
Operatory (n.) A laboratory.
Opercle (n.) Any one of the bony plates which support the gill covers of fishes; an opercular bone.
Opercle (n.) An operculum.
Opercula (n. pl.) See Operculum.
Oparcular (a.) Of, pertaining to, or like, an operculum.
Opercular (n.) The principal opercular bone or operculum of fishes.
Operculate (a.) Alt. of Operculated.
Operculated (a.) Closed by a lid or cover, as the capsules of the mosses.
Operculated (a.) Having an operculum, or an apparatus for protecting the gills; -- said of shells and of fishes.
Operculiferous (a.) Bearing an operculum.
Operculiform (a.) Having the form of a lid or cover.
Operculigenous (a.) Producing an operculum; -- said of the foot, or part of the foot, of certain mollusks.
Opercula (n. pl. ) of Operculum.
Operculums (n. pl. ) of Operculum.
Operculum (n.) The lid of a pitcherform leaf.
Operculum (n.) The lid of the urnlike capsule of mosses.
Operculum (n.) Any lidlike or operculiform process or part; as, the opercula of a dental follicle.
Operculum (n.) The fold of integument, usually supported by bony plates, which protects the gills of most fishes and some amphibians; the gill cover; the gill lid.
Operculum (n.) The principal opercular bone in the upper and posterior part of the gill cover.
Operculum (n.) The lid closing the aperture of various species of shells, as the common whelk. See Illust. of Gastropoda.
Operculum (n.) Any lid-shaped structure closing the aperture of a tube or shell.
Operetta (n.) A short, light, musical drama.
Operose (a.) Wrought with labor; requiring labor; hence, tedious; wearisome.
Operosity (n.) Laboriousness.
Operous (a.) Operose.
Opertaneous (a.) Concealed; private.
Opetide (n.) Open time; -- applied to different things.
Opetide (n.) The early spring, or the time when flowers begin opening.
Opetide (n.) The time between Epiphany and Ash Wednesday wherein marriages were formerly solemnized publicly in churches. [Eng.].
Opetide (n.) The time after harvest when the common fields are open to all kinds of stock.
Ophelic (a.) Of, pertaining to, or designating, a substance (called ophelic acid) extracted from a plant (Ophelia) of the Gentian family as a bitter yellowish sirup, used in India as a febrifuge and tonic.
Ophicleide (n.) A large brass wind instrument, formerly used in the orchestra and in military bands, having a loud tone, deep pitch, and a compass of three octaves; -- now generally supplanted by bass and contrabass tubas.
Ophidion (n.; pl. Ophidia.) (Zool.) The typical genus of ophidioid fishes. [Written also Ophidium.] See Illust. under Ophidioid.
Ophidia (prop. n. pl.) (Zool.) The suborder of reptiles which includes the serpents; called {Serpentes"> also {Serpentes.
Note: The most important divisions are: the Solenoglypha, having erectile perforated fangs, as the rattlesnake; the Proteroglypha, or elapine serpents, having permanently erect fang, as the cobra; the Asinea, or colubrine serpents, which are destitute of fangs; and the Opoterodonta, or Epanodonta, blindworms, in which the mouth is not dilatable.
Ophidia (n.) Snakes [syn: Serpentes, suborder Serpentes, Ophidia, suborder Ophidia].
Ophidian (n.) (Zool.) One of the Ophidia; a snake or serpent.
Ophidian (a.) (Zool.) Of or pertaining to the Ophidia; belonging to serpents.
Ophidian (n.) Limbless scaly elongate reptile; some are venomous [syn: snake, serpent, ophidian].
Ophidioid (a.) Of or pertaining to the Ophidiidae, a family of fishes which includes many slender species.
Ophidioid (n.) One of the Ophidiidae.
Ophidia (n. pl. ) of Ophidion.