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 |
winter wren Troglodytes troglodytes | small wren of coniferous forests of northern hemisphere |
winter flounder blackback flounder lemon sole Pseudopleuronectes americanus | important American food fish in the winter |
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 |
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 |
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 |
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 |
open sesame | a magical command, used by Ali Baba |
Winter Olympic Games Winter Olympics | an Olympics for winter sports |
open | a tournament in which both professionals and amateurs may play |
open-face sandwich open sandwich | sandwich without a covering slice of bread |
winter squash | any of various fruits of the gourd family with thick rinds and edible yellow to orange flesh that mature in the fall and can be stored for several months |
winter crookneck squash | a squash with a hard rind and an elongated curved neck |
winter cress | cress cultivated for winter salads |
winter melon | the fruit of the winter melon vine, a green melon with pale green to orange flesh that keeps well |
lemon sole winter flounder | flesh of American flounder, important in the winter |
winter savory winter savoury | resinous leaves used in stews and stuffings and meat loaf |
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 |
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 |
nuclear winter | a long period of darkness and extreme cold that scientists predict would follow a full-scale nuclear war, a layer of dust and smoke in the atmosphere would cover the earth and block the rays of the sun, most living organisms would perish |
Japan allspice Japanese allspice winter sweet Chimonanthus praecox | deciduous Japanese shrub cultivated for its fragrant yellow flowers |
winter aconite Eranthis hyemalis | small Old World perennial herb grown for its bright yellow flowers which appear in early spring often before snow is gone |
Christmas rose winter rose black hellebore Helleborus niger | European evergreen plant with white or purplish rose-like winter-blooming flowers |
Winteraceae family Winteraceae winter's bark family | small family of chiefly tropical shrubs and trees of genera Drimys and Pseudowintera, sometimes included in Magnoliaceae |
winter's bark winter's bark tree Drimys winteri | South American evergreen tree yielding winter's bark and a light soft wood similar to basswood |
winter sweet poison arrow plant Acocanthera oblongifolia Acocanthera spectabilis | medium-sized shrubby tree of South Africa having thick leathery evergreen leaves and white or pink flowers and globose usually two-seeded purplish black fruits |
winter purslane miner's lettuce Cuban spinach Montia perfoliata | succulent herb sometimes grown as a salad or pot herb, grows on dunes and waste ground of Pacific coast of North America |
winter cress St. Barbara's herb scurvy grass | any plant of the genus Barbarea: yellow-flowered Eurasian cresses, widely cultivated for winter salad |
Belle Isle cress early winter cress land cress American cress American watercress Barbarea verna Barbarea praecox | of southwestern Europe, cultivated in Florida |
winter heliotrope sweet coltsfoot Petasites fragrans | European herb with vanilla-scented white-pink flowers |