16-letter words containing u, n, a, r, t
- nuclear reaction — reaction (def 8).
- nuclear transfer — the procedure used to produce the first cloned mammals, in which the nucleus of a somatic cell is transferred into an egg cell whose own nucleus has been removed. This cell is then stimulated by an electric shock to divide and form an embryo
- numbered account — a bank account whose owner is identified by a number for the purpose of preserving anonymity.
- nutcracker suite — a ballet and concert suite (1892) arranged by Peter Ilyich Tchaikovsky from his orchestral work for a ballet, The Nutcracker.
- 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.
- occupation layer — (on an archaeological site) a layer of remains left by a single culture, from which the culture can be dated or identified.
- of the nature of — having the essential character of; like
- onboard computer — onboard a vehicle, ship, plane, train or spacecraft
- online thesaurus — a thesaurus or dictionary of words with the same or nearly the same meanings, or synonyms, and their opposites, or antonyms, such as Thesaurus.com, available on the Internet or the World Wide Web, accessed through a web browser, and used by entering a query term into a search box on the site. An online thesaurus provides immediate electronic access to lists of alternate terms for the queried word, covering its various shades of meaning: This online thesaurus showed me that smart, as an adjective, not only means intelligent, but also stylish, or lively, and gave long lists of other words for each meaning.
- operating budget — money allocated to a project
- operating manual — a leaflet of instructions on how to use something (such as an electrical appliance, etc)
- orthodoxy sunday — a solemn festival held on the first Sunday of Lent (Orthodoxy Sunday) commemorating the restoration of the use of icons in the church (a.d. 842) and the triumph over all heresies.
- out on one's ear — dismissed unceremoniously
- outsmart oneself — to have one's efforts at cunning or cleverness result in one's own disadvantage
- over-communicate — to impart knowledge of; make known: to communicate information; to communicate one's happiness.
- over-cultivation — the act or art of cultivating.
- over-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- overaccumulation — Accumulation of too much.
- overcautiousness — the quality or state of being too cautious, wary, or careful
- overenthusiastic — full of or characterized by enthusiasm; ardent: He seems very enthusiastic about his role in the play.
- 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.
- pacific sturgeon — a dark gray sturgeon, Acipenser transmontanus, inhabiting marine and fresh waters along the northwestern coast of North America, valued as a food and sport fish.
- paediatric nurse — a nurse who specializes in the care of children
- paint-by-numbers — formulaic; showing no original thought or creativity
- painted trillium — a North American trillium, Trillium undulatum, having white flowers streaked with pink or purple.
- pairs tournament — an event in a sport such as tennis or darts open to pairs of competitors
- palomar mountain — mountain in SW Calif., near San Diego: site of an astronomical observatory: 6,140 ft (1,871 m)
- pancreatic juice — a thick, colorless, very alkaline fluid secreted by the pancreas, containing enzymes that break down protein, fat, and starch.
- partial function — A function which is not defined for all arguments of its input type. E.g. f(x) = 1/x if x /= 0. The opposite of a total function. In denotational semantics, a partial function f : D -> C may be represented as a total function ft : D' -> lift(C) where D' is a superset of D and ft x = f x if x in D ft x = bottom otherwise where lift(C) = C U bottom. Bottom (LaTeX \perp) denotes "undefined".
- paterson's curse — a purple-flowered noxious plant, Echium plantagineum, a close relative of viper's bugloss, naturalized in Australia and NZ where its harmfulness to livestock has prompted attempts to limit its spread
- peninsular state — Florida (used as a nickname).
- perpendicularity — vertical; straight up and down; upright.
- perpetual motion — the motion of a theoretical mechanism that, without any losses due to friction or other forms of dissipation of energy, would continue to operate indefinitely at the same rate without any external energy being applied to it.
- personal tuition — private tuition
- personality cult — deliberately cultivated adulation of a person, esp a political leader
- peruvian rhatany — See under rhatany (def 1).
- peter stuyvesant — Peter, 1592–1672, Dutch colonial administrator in the Americas: last governor of New Netherlands 1646–64.
- pineal apparatus — a median outgrowth of the roof of the diencephalon in vertebrates that in some develops into the pineal eye and in others into the pineal gland.
- piscis austrinus — a small constellation in the S hemisphere lying between Aquarius and Grus and containing the first-magnitude star Fomalhaut
- planetary nebula — an expanding shell of thin ionized gas that is ejected from and surrounds a hot, dying star of about the same mass as the sun; the gas absorbs ultraviolet radiation from the central star and reemits it as visible light by the process of fluorescence.
- platinum-iridium — (standard) A standard, against which all others of the same category are measured. Usage: silly. The notion is that one of whatever it is has actually been cast in platinum-iridium alloy and placed in the vault beside the Standard Kilogram at the International Bureau of Weights and Measures near Paris, as the bar defining the standard metre once was. "This garbage collection algorithm has been tested against the platinum-iridium cons cell in Paris." Compare golden.
- pneumatic trough — a trough filled with liquid, especially water, for collecting gases in bell jars or the like by displacement.
- poitou-charentes — a region of W central France, on the Bay of Biscay: mainly low-lying
- portmanteau word — a case or bag to carry clothing in while traveling, especially a leather trunk or suitcase that opens into two halves.
- portuguese india — a former Portuguese overseas territory on the W coast of India, consisting of the districts of Gôa, Daman, and Diu: annexed by India December 1961. Capital: Gôa.
- praetorian guard — the bodyguard of a military commander, especially the imperial guard stationed in Rome.
- prerevolutionary — of, pertaining to, characterized by, or of the nature of a revolution, or a sudden, complete, or marked change: a revolutionary junta.
- preunderstanding — to perceive the meaning of; grasp the idea of; comprehend: to understand Spanish; I didn't understand your question.