15-letter words containing n, a, b, o
- nullarbor plain — a treeless, semiarid area of S Australia, contiguous to the Great Australian Bight.
- 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 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.
- 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.
- oblique sailing — the navigation of a vessel on a point of the compass other than one of the cardinal points.
- 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.
- obtuse triangle — a triangle with one obtuse angle.
- octanitrocubane — (organic compound) A high explosive derived from cubane.
- oil-based paint — any paint made with a drying oil or solvent such as linseed
- old man's beard — fringe tree.
- 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
- 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
- ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- organized labor — all workers who are organized in labor unions.
- overbearingness — Quality of being overbearing.
- oxyphenbutazone — an anti-inflammatory treatment for arthritis or bursitis
- pack one's bags — If you pack your bags, you leave a place where you have been staying or living.
- pat on the back — to strike lightly or gently with something flat, as with a paddle or the palm of the hand, usually in order to flatten, smooth, or shape: to pat dough into flat pastry forms.
- pattern bombing — aerial bombing in which bombs are dropped on a target in a predetermined pattern.
- perfluorocarbon — a fluorocarbon consisting only of fluorine and carbon atoms
- platinum blonde — a person, especially a girl or woman, whose hair is of a pale blond or silver color, usually colored artificially by bleaching or dyeing.
- plumbaginaceous — belonging to the Plumbaginaceae, the leadwort family of plants.
- polyphloesboean — noisy
- post-liberation — the act of liberating or the state of being liberated.
- pre-celebration — an act of celebrating.
- primary rainbow — the most commonly seen rainbow, formed by light rays that undergo a single internal reflection in a drop of water.
- prism binocular — Usually, prism binoculars. Optics. binocular (def 1).
- prisoner's base — any of various children's games in which each of two teams has a home base where members of the opposing team are kept prisoner after being tagged or caught and from which they can be freed only in specified ways.
- pro-abortionist — pro-choice.
- probation order — an order imposed by a magistrate or judge under which an offender is sentenced to probation rather than imprisonment
- probationership — the position of a probationer
- probit equation — A probit equation is used to quantify the relationship between the concentration of a dangerous material and its effect on people.
- procrustean bed — a plan or scheme to produce uniformity or conformity by arbitrary or violent methods.
- promotion board — group that markets or advertises sth
- pseudo-bohemian — living a wandering or vagabond life, as a Gypsy.
- pulmobranchiate — possessing a pulmobranch
- put years on sb — If you say that something such as an experience or a way of dressing has put years on someone, you mean that it has made them look or feel much older.
- qaboos bin said — born 1940, Sultan of Oman from 1970
- questionability — of doubtful propriety, honesty, morality, respectability, etc.: questionable activities; in questionable taste.
- radio sono-buoy — a buoy equipped to detect underwater noises and transmit them by radio