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16-letter words containing a, b, o, r, t, i

  • 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 a trial basis — for the purpose of assessment
  • on the breadline — impoverished; living at subsistence level
  • 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.
  • 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.
  • 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.
  • pocket billiards — pool2 (def 1).
  • port phillip bay — a bay in SE Australia: the harbor of Melbourne. 31 miles (50 km) long; 25 miles (40 km) wide.
  • portable airtime — (communications, wireless)   A wireless, digital communications system enabling user-to-user voice communication, "quicknotes", and alphanumeric messaging.
  • presentation box — a specially designed and attractive box to hold a product, and make it look more impressive
  • pro-abolitionist — (especially prior to the Civil War) a person who advocated or supported the abolition of slavery in the U.S.
  • 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.
  • public transport — fare-paying travel
  • rainbow lorikeet — a small Australasian parrot, Trichoglossus haematodus, with brightly-coloured plumage
  • 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.
  • random vibration — Random vibration is a type of forced vibration in which the motion follows no regular pattern.
  • 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.
  • 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
  • redbank whiteoak — a city in S Tennessee.
  • redistributional — a distribution performed again or anew.
  • right about face — Military. a command, given to a soldier or soldiers at attention, to turn the body about toward the right so as to face in the opposite direction. the act of so turning in a prescribed military manner.
  • right honourable — (in Britain and certain Commonwealth countries) a title of respect for a Privy Councillor or an appeal-court judge
  • robin's plantain — the rattlesnake weed, Hieracium venosum.
  • roundabout chair — corner chair.
  • self-approbation — approval; commendation.
  • self-elaboration — an act or instance of elaborating.
  • self-lubrication — the process of becoming lubricated without external factors
  • self-observation — an act or instance of noticing or perceiving.
  • semi-hibernation — Zoology. to spend the winter in close quarters in a dormant condition, as bears and certain other animals. Compare estivate.
  • siberian mammoth — a shaggy-coated mammoth, Mammuthus primigenius, that lived in cold regions across Eurasia and North America during the Ice Age, known from fossils, cave paintings, and well-preserved frozen carcasses.
  • slow metabolizer — A slow metabolizer is someone whose body is slow to break down, absorb, or use a particular substance.
  • smooth breathing — a symbol (') used in the writing of Greek to indicate that the initial vowel over which it is placed is unaspirated.
  • sodium carbonate — Also called soda ash. an anhydrous, grayish-white, odorless, water-soluble powder, Na 2 CO 3 , usually obtained by the Solvay process and containing about 1 percent of impurities consisting of sulfates, chlorides, and bicarbonates of sodium: used in the manufacture of glass, ceramics, soaps, paper, petroleum products, sodium salts, as a cleanser, for bleaching, and in water treatment.
  • sodium perborate — a white, crystalline, water-soluble solid, NaBO 2 ⋅3H 2 O or NaBO 3 ⋅4H 2 O, used chiefly as a bleaching agent and antiseptic.
  • software library — a collection of programs that are used to develop software
  • southern baptist — a member of the Southern Baptist Convention, founded in Augusta, Georgia, in 1845, that is strictly Calvinistic and active in religious publishing and education.
  • stationary orbit — an orbit lying in, or approximately in, the plane of the equator for which the orbital period is equal to the spin period of the central body
  • stroboradiograph — a stroboscopic radiograph.
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