open sesame | any very successful means of achieving a result |
open primary | a primary in which any registered voter can vote (but must vote for candidates of only one party) |
open frame break | any frame in which a bowler fails to make a strike or spare, the break in the eighth frame cost him the match |
open-heart surgery | heart surgery in which the rib cage is spread open, the heart is stopped and blood is detoured through a heart-lung machine while a heart valve or coronary artery is surgically repaired |
guerrilla theater street theater | dramatization of a social issue, enacted outside in a park or on the street |
arena theater theater in the round | a theater arranged with seats around at least three sides of the stage |
cinema movie theater movie theatre movie house picture palace | a theater where films are shown |
dinner theater dinner theatre | a theater at which dinner is included in the price of admission |
fireplace hearth open fireplace | an open recess in a wall at the base of a chimney where a fire can be built, the fireplace was so large you could walk inside it, he laid a fire in the hearth and lit it, the hearth was black with the charcoal of many fires |
home theater home theatre | television and video equipment designed to reproduce in the home the experience of being in a movie theater |
little theater little theatre | a small theater for experimental drama or collegiate or community groups |
music hall vaudeville theater vaudeville theatre | a theater in which vaudeville is staged |
open-air market open-air marketplace market square | a public marketplace where food and merchandise is sold |
open circuit | an incomplete electrical circuit in which no current flows |
open-end wrench tappet wrench | a wrench having parallel jaws at fixed separation (often on both ends of the handle) |
open-hearth furnace | a furnace for making steel in which the steel is placed on a shallow hearth and flames of burning gas and hot air play over it |
open sight | rear gunsight having an open notch instead of a peephole or telescope |
open weave | a weave in which warp threads never come together, leaving interstices in the fabric |
operating room OR operating theater operating theatre surgery | a room in a hospital equipped for the performance of surgical operations, great care is taken to keep the operating rooms aseptic |
theater theatre house | a building where theatrical performances or motion-picture shows can be presented, the house was full |
theater curtain theatre curtain | a hanging cloth that conceals the stage from the view of the audience, rises or parts at the beginning and descends or closes between acts and at the end of a performance |
theater light | any of various lights used in a theater |
theater stage theatre stage | a stage in a theater on which actors can perform |
open door | freedom of access, he maintained an open door for all employees |
open surface | information that has become public, all the reports were out in the open, the facts had been brought to the surface |
open interval unbounded interval | an interval that does not include its endpoints |
theater ticket theatre ticket | a ticket good for admission to a theater |
open account | an unpaid credit order |
open letter | a letter of protest, addressed to one person but intended for the general public |
open-door policy open door | the policy of granting equal trade opportunities to all countries |
open secret | something that is supposed to be secret but is generally known, their love affair was an open secret |
dramaturgy dramatic art dramatics theater theatre r | the art of writing and producing plays |
theater of the absurd | plays stressing the irrational or illogical aspects of life, usually to show that modern life is pointless, Samuel Beckett and Eugene Ionesco have written plays for the theater of the absurd |
musical musical comedy musical theater | a play or film whose action and dialogue is interspersed with singing and dancing |
open sesame | a magical command, used by Ali Baba |
open | a tournament in which both professionals and amateurs may play |
open-face sandwich open sandwich | sandwich without a covering slice of bread |
mutual fund mutual fund company open-end fund open-end investment company | a regulated investment company with a pool of assets that regularly sells and redeems its shares |
theater company | a company that produces plays |
open shop | a company whose workers are hired without regard to their membership in a labor union |
open house | an informal party of people with hospitality for all comers |
Open University | a British university that is open to people without formal academic qualifications and where teaching is by correspondence or broadcasting or summer school |
open society | a society that allows its members considerable freedom (as in a democracy), America's open society has made it an easy target for terrorists |
open order | a military formation leaving enough space between ranks to allow an inspecting officer to pass |
theater of war theatre of war | the entire land, sea, and air area that may become or is directly involved in war operations |
field field of operations theater theater of operations theatre theatre of operations | a region in which active military operations are in progress, the army was in the field awaiting action, he served in the Vietnam theater for three years |
outdoors out-of-doors open air open | where the air is unconfined, he wanted to get outdoors a little, the concert was held in the open air, camping in the open |
open clear | a clear or unobstructed space or expanse of land or water, finally broke out of the forest into the open |
open chain | a chain of atoms in a molecule whose ends are not joined to form a ring |
director theater director theatre director | someone who supervises the actors and directs the action in the production of a show |