16-letter words containing c, l, u, r
- nuclear industry — the industry involving nuclear weapons, nuclear power stations, etc
- nuclear magneton — a unit of magnetic moment, used to measure proton spin and approximately equal to 1/1836 Bohr magneton.
- nuclear medicine — diagnostic and therapeutic medical techniques using radionuclides or radioisotopes.
- nuclear membrane — the double membrane surrounding the nucleus within a cell.
- 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
- nuclear umbrella — a guarantee from a country or state that possesses nuclear weapons to a country that does not that they will defend them
- oak leaf cluster — a U.S. military decoration in the form of a small bronze twig bearing four oak leaves and three acorns, worn on the ribbon of another decoration for valor, wounds, or distinguished service to signify a second award of the same medal.
- occupation layer — (on an archaeological site) a layer of remains left by a single culture, from which the culture can be dated or identified.
- ocellated turkey — a wild turkey, Agriocharis ocellata, of Yucatán, Belize, and Guatemala, typically having green, blue, reddish-brown, and yellowish-brown plumage of a metallic luster and eyelike spots on the tail.
- oculomotor nerve — either one of the third pair of cranial nerves, consisting chiefly of motor fibers that innervate most of the muscles of the eyeball.
- optical computer — an experimental computer that uses photons rather than electrical impulses to process data a thousand times faster than with conventional integrated circuits.
- order in council — (in Britain and various other Commonwealth countries) a decree of the Cabinet, usually made under the authority of a statute: in theory a decree of the sovereign and Privy Council
- orographic cloud — any cloud whose existence and form are largely controlled by the disturbed flow of air over and around mountains, as the banner cloud and crest cloud.
- 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.
- palmtop computer — a computer that has a small screen and compressed keyboard and is small enough to be held in the hand, often used as a personal organizer
- papillary muscle — one of the small bundles of muscles attached to the ventricle walls and to the chordae tendineae that tighten these tendons during ventricular contraction.
- paratuberculosis — Johne's disease.
- 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".
- percussion drill — a drill that is operated by percussion
- perez de cuellar — Javier [hah-vyer] /hɑˈvyɛr/ (Show IPA), born 1920, Peruvian diplomat: secretary-general of the United Nations 1982–91; prime minister of Peru 2000–2001.
- perforated ulcer — an ulcer that bursts through the stomach wall and leaks food and gastric juices into the abdominal cavity
- permaculturalist — a system of cultivation intended to maintain permanent agriculture or horticulture by relying on renewable resources and a self-sustaining ecosystem.
- perpendicularity — vertical; straight up and down; upright.
- person of colour — a person who is not White
- personality cult — deliberately cultivated adulation of a person, esp a political leader
- persulfuric acid — Also called Caro's acid, permonosulfuric acid, peroxymonosulfuric acid, peroxysulfuric acid. a white, crystalline solid, H 2 SO 5 , used as an oxidizing agent for certain organic compounds.
- picture moulding — the edge around a framed picture
- pilot production — sth produced on a trial basis
- plutarch's lives — (Parallel Lives) a collection (a.d. 105–15) by Plutarch of short biographies of the leading political figures of ancient Greece and Rome.
- principal clause — the main clause.
- pro bono publico — for the public good or welfare.
- propylthiouracil — a white crystalline compound, C 7 H 1 0 N 2 OS, that interferes with the synthesis of thyroid hormone by the thyroid gland: used in the treatment of hyperthyroidism.
- pseudo-realistic — interested in, concerned with, or based on what is real or practical: a realistic estimate of costs; a realistic planner.
- pseudohistorical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- public ownership — ownership by the state; nationalization
- 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
- puddling-furnace — the act of a person or thing that puddles.
- pure watercolour — water-soluble pigment, applied in transparent washes and without the admixture of white pigment in the lighter tones
- pyruvic aldehyde — a yellow, liquid compound, C 3 H 4 O 2 , containing both an aldehyde and a ketone group, usually obtained in a polymeric form: used chiefly in organic synthesis.
- quadricentennial — of, relating to, or marking the completion of a period of four hundred years.
- quasi-commercial — of, relating to, or characteristic of commerce.
- quasi-compulsory — required; mandatory; obligatory: compulsory education.
- quasi-historical — of, pertaining to, treating, or characteristic of history or past events: historical records; historical research.
- quatercentennial — pertaining to or marking a period of 400 years.
- real-time euclid — Real-time language, restriction to time-bounded constructs. ["Real-Time Euclid: A Language for Reliable Real-Time Systems", E. Kligerman et al, IEEE Trans Software Eng SE-12(9):941-1986-09-949].
- reconceptualized — to form into a concept; make a concept of.