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 |
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 |
light light source | any device serving as a source of illumination, he stopped the car and turned off the lights |
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 |
source | a facility where something is available |
source of illumination | any device serving as a source of visible electromagnetic radiation |
ultraviolet lamp ultraviolet source | any source of illumination that emits ultraviolet radiation |
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 |
source seed germ | anything that provides inspiration for later work |
open interval unbounded interval | an interval that does not include its endpoints |
source language | a language that is to be translated into another language |
source code | program instructions written as an ASCII text file, must be translated by a compiler or interpreter or assembler into the object code for a particular computer before execution |
source book | a collection of historically important documents published together as a book |
open account | an unpaid credit order |
source program | a program written in a language from which statements are translated into machine language |
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 |
source | a document (or organization) from which information is obtained, the reporter had two sources for the story |
source materials | publications from which information is obtained |
open sesame | a magical command, used by Ali Baba |
reference source | a publication (or a passage from a publication) that is referred to, he carried an armful of references back to his desk, he spent hours looking for the source of that quotation |
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 |
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 |
beginning origin root rootage source | the place where something begins, where it springs into being, the Italian beginning of the Renaissance, Jupiter was the origin of the radiation, Pittsburgh is the source of the Ohio River, communism's Russian root |
point source | a concentrated source (especially of radiation or pollution) that is spatially constricted |
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 |
quasar quasi-stellar radio source | a starlike object that may send out radio waves and other forms of energy, many have large red shifts |
radio source | an object that radiates radio waves |
reservoir source | anything (a person or animal or plant or substance) in which an infectious agent normally lives and multiplies, an infectious agent depends on a reservoir for its survival |
generator source author | someone who originates or causes or initiates something, he was the generator of several complaints |
informant source | a person who supplies information |
passive source | an informant who is not assigned to obtain specific intelligence but who routinely passes on whatever information he or she has |