16-letter words containing a, r, b, o, e
- north battleford — a city in W central Saskatchewan, in central Canada.
- north palm beach — a town in E Florida.
- northanger abbey — a novel (1818) by Jane Austen.
- norwegian buhund — a slightly-built medium-sized dog of a breed with erect pointed ears and a short thick tail carried curled over its back
- numbered account — a bank account whose owner is identified by a number for the purpose of preserving anonymity.
- objective danger — a danger, such as a stone fall or avalanche, to which climbing skill is irrelevant
- oblique triangle — any triangle that does not have a right angle (contrasted with right triangle).
- obsequent stream — a stream flowing in a direction opposite to that of the dip of the local strata.
- observation deck — an area on a high building that is surrounded with railings or fencing and which provides panoramic views
- observation post — a forward position, often on high ground, from which enemy activity can be observed and, particularly, from which artillery or mortar fire can be directed.
- observation ward — a ward in a hospital where patients are monitored
- observationalist — One who relies on empirical observations.
- observationality — The property of being observational.
- on her beam-ends — (of a vessel) heeled over through an angle of 90°
- on the breadline — impoverished; living at subsistence level
- onboard computer — onboard a vehicle, ship, plane, train or spacecraft
- one-armed bandit — slot machine (def 1).
- operating budget — money allocated to a project
- orbital velocity — the minimum velocity at which a body must move to maintain a given orbit.
- ordinary jubilee — the celebration of any of certain anniversaries, as the twenty-fifth (silver jubilee) fiftieth (golden jubilee) or sixtieth or seventy-fifth (diamond jubilee)
- organized labour — labour carried out by workers in trade unions, or the workers themselves
- outboard profile — an exterior side elevation of a vessel, showing all deck structures, rigging, fittings, etc.
- overexcitability — to excite too much.
- overurbanization — the act or fact of urbanizing, or taking on the characteristics of a city: Urbanization has led to more air pollution and increasing childhood asthma.
- oxidation number — the state of an element or ion in a compound with regard to the electrons gained or lost by the element or ion in the reaction that formed the compound, expressed as a positive or negative number indicating the ionic charge of the element or ion.
- paratuberculosis — Johne's disease.
- peach tree borer — the larva of any of several clearwing moths, as Sanninoidea exitiosa, that bore into the wood of the peach and other drupaceous trees.
- performance bond — contract bond.
- permafrost table — the variable surface constituting the upper limit of permafrost. Compare frostline (def 2).
- personal liberty — the liberty of an individual to do his or her will freely except for those restraints imposed by law to safeguard the physical, moral, political, and economic welfare of others.
- platform-balance — a scale with a platform for holding the items to be weighed.
- pocket billiards — pool2 (def 1).
- poor boy sweater — a snug-fitting, pullover sweater with ribbing on both the body and sleeves, worn by girls and women.
- portable airtime — (communications, wireless) A wireless, digital communications system enabling user-to-user voice communication, "quicknotes", and alphanumeric messaging.
- potato tuberworm — the larva of the potato moth.
- presentation box — a specially designed and attractive box to hold a product, and make it look more impressive
- proslambanomenos — the lowest note of the scale in ancient Greek music
- public relations — (used with a plural verb) the actions of a corporation, store, government, individual, etc., in promoting goodwill between itself and the public, the community, employees, customers, etc.
- rack one's brain — If you rack your brains, you try very hard to think of something.
- rag-and-bone man — a peddler who buys and sells used clothes, rags, etc.; junkman.
- rainbow lorikeet — a small Australasian parrot, Trichoglossus haematodus, with brightly-coloured plumage
- rainbow seaperch — an embiotocid fish, Hypsurus caryi, living off the Pacific coast of North America, having red, orange, and blue stripes on the body.
- raise an eyebrow — If something causes you to raise an eyebrow or to raise your eyebrows, it causes you to feel surprised or disapproving.
- rambunctiousness — difficult to control or handle; wildly boisterous: a rambunctious child.
- ramen profitable — If a startup business is ramen profitable, it is barely profitable, just enough to allow the founder to live on the cheapest diet.
- razor-billed auk — a black and white auk, Alca torda, of the American and European coasts of the northern North Atlantic, having a compressed black bill encircled by a white band.
- reaction chamber — the chamber in a rocket engine in which the reaction or combustion of fuel occurs
- reaction turbine — a turbine driven by the reactive force of a fluid passing through the rotor blades.
- reasonable doubt — law: grounds for believing sb is innocent
- rectus abdominis — a long flat muscle that extends along the whole length of both sides of the abdomen. It flexes the vertebral column, particularly the lumbar portion; it also tenses the anterior abdominal wall and assists in compressing the abdominal contents