15-letter words containing b, o
- not a dickybird — not a word; nothing
- not be yourself — If you say that you are not yourself, you mean you are not feeling well.
- not before time — If you say not before time after a statement has been made about something that has been done, you are saying in an emphatic way that you think it should have been done sooner.
- not have a bean — to be without money
- notour bankrupt — a bankrupt who has failed to discharge his or her debts within the days of grace allowed by the court
- novokuibyshevsk — a city in the SW Russian Federation in Europe, SW of Kuibyshev.
- nullarbor plain — a treeless, semiarid area of S Australia, contiguous to the Great Australian Bight.
- number one wood — driver (def 4).
- obedience trial — a competitive event at which a dog can progress toward a degree in obedience by demonstrating its ability to follow a prescribed series of commands.
- obituary column — the division of a publication reserved for obituaries
- object database — a database format in which information is shown in the form of objects
- object distance — the distance between the lens of a camera and an object being photographed.
- object exchange — (protocol) (OBEX) A Bluetooth protocol in the Core Protocol Stack for data exchange.
- object language — the language to which a metalanguage refers.
- object-oriented — pertaining to or denoting a system, programming language, etc., that supports the use of objects, as an entire image, a routine, or a data structure.
- objectification — to present as an object, especially of sight, touch, or other physical sense; make objective; externalize.
- objectionable-c — (abuse, humour, language) A hackish take on "Objective C". Objectionable-C uses a Smalltalk-like syntax, but lacks the flexibility of Smalltalk method calls, and (like many such efforts) comes frustratingly close to attaining the Right Thing without actually doing so.
- objective prism — a large prism placed in front of the objective lens or mirror of a telescope, allowing the simultaneous acquisition of the spectra of many stars.
- oblique sailing — the navigation of a vessel on a point of the compass other than one of the cardinal points.
- oblique section — a representation of an object as it would appear if cut by a plane that is other than parallel or perpendicular to its longest axis.
- observation car — a railroad passenger car having a lounge or platform from which the scenery can be viewed.
- observationally — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- obsidian dating — a method of dating obsidian artifacts or debitage by calculating how long it has taken to produce a given thickness of a hydration layer within such matter.
- obsidional coin — siege piece.
- obstacle course — a military training area having obstacles, as hurdles, ditches, and walls, that must be surmounted or crossed in succession.
- obstructionists — Plural form of obstructionist.
- obstructiveness — The characteristic of being obstructive.
- obtuse triangle — a triangle with one obtuse angle.
- octanitrocubane — (organic compound) A high explosive derived from cubane.
- office building — building containing offices
- oil-based paint — any paint made with a drying oil or solvent such as linseed
- olbers' paradox — the paradox that if the universe consisted of an infinite number of stars equally distributed through space, then every line of sight would come from a star and the night sky would glow uniformly, which is observationally not true.
- old boy network — an exclusive network that links members of a profession, social class, or organization or the alumni of a particular school through which the individuals assist one another in business, politics, etc.
- old man's beard — fringe tree.
- old-boy network — an exclusive network that links members of a profession, social class, or organization or the alumni of a particular school through which the individuals assist one another in business, politics, etc.
- old-established — established for a long time
- old-man's-beard — fringe tree.
- oldenbarneveldt — Johan van. 1547–1619, Dutch statesman, regarded as a founder of Dutch independence; the leading figure (from 1586) in the United Provinces of the Netherlands: executed by Maurice of Nassau
- omega-algebraic — In domain theory, a complete partial order is algebraic if every element is the lub of some chain of compact elements. If the set of compact elements is countable it is omega-algebraic. Usually written with a Greek letter omega (LaTeX \omega).
- omnibenevolence — unlimited kindness and generosity
- omnibus edition — a television or radio programme consisting of two or more programmes broadcast earlier in the week
- on the port bow — within 45 degrees to the port of straight ahead
- one for his nob — the call made with this jack, scoring one point
- one of the boys — If a man is described as one of the boys, he is accepted by a group of male friends who do things that are thought of as typically masculine.
- opening balance — the amount of money in an account at the start of an accounting period
- opening batsman — a player who bats the first ball in cricket
- operating table — table on which surgery is performed
- ophthalmophobia — the fear of being stared at
- opposite number — counterpart; equivalent: New members with an interest in folk art will find their opposite numbers in the association's directory.
- opprobriousness — The state or condition of being opprobrious.