16-letter words containing t, r, o, c
- nuclear reaction — reaction (def 8).
- numbered account — a bank account whose owner is identified by a number for the purpose of preserving anonymity.
- 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.
- objective danger — a danger, such as a stone fall or avalanche, to which climbing skill is irrelevant
- objective spirit — the human spirit, insofar as it has become capable of a rational identification of its individual self with the community of other spirits but is not yet capable of the identification with the absolute idea that characterizes the absolute spirit.
- observation deck — an area on a high building that is surrounded with railings or fencing and which provides panoramic views
- obstructionistic — a person who deliberately delays or prevents progress.
- obtuse bisectrix — See under bisectrix (def 1).
- occipitotemporal — (anatomy) Of or pertaining to the occiput and temporal lobe.
- 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.
- october surprise — a major event, occurring shortly before a presidential election, which influences the result
- 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.
- odontoid process — the toothlike upward projection at the back of the second vertebra of the neck
- oesophagogastric — (anatomy) Of or pertaining to the oesophagus and the stomach.
- of a certain age — of an unspecified age, but no longer young
- of it own accord — If something happens of its own accord, it seems to happen by itself, without anyone making it happen.
- ohmic resistance — resistance (def 3a).
- old north french — the dialect of Old French spoken in northern France. Abbreviation: ONF.
- on the scrapheap — (of people or things) having outlived their usefulness
- onboard computer — onboard a vehicle, ship, plane, train or spacecraft
- opaque projector — a machine for projecting opaque objects, as books, on a screen, by means of reflected light.
- operating income — revenue from business operations after operating expenses are deducted from gross income.
- opportunity cost — the money or other benefits lost when pursuing a particular course of action instead of a mutually-exclusive alternative: The company cannot afford the opportunity cost attached to policy decisions made by the current CEO.
- optical computer — an experimental computer that uses photons rather than electrical impulses to process data a thousand times faster than with conventional integrated circuits.
- optical rotation — the angle at which the plane of polarized light is rotated when passed through an optically active substance.
- optical tweezers — a laser device used to study, manipulate, or trap a microscopic object, as a microorganism or cell, with nanometer precision.
- orbital velocity — the minimum velocity at which a body must move to maintain a given orbit.
- ordnance factory — a factory that makes military weapons and ammunition
- organoleptically — In an organoleptic manner.
- ornithologically — In terms of ornithology.
- orthoformic acid — a hypothetical acid, HC(OH) 3 , known only in the form of its esters.
- orthographically — In an orthographical manner; using proper spelling, capitalization and grammar.
- orthosympathetic — Of or pertaining to the sympathetic component of the autonomic nervous system.
- osmotic pressure — the force that a dissolved substance exerts on a semipermeable membrane, through which it cannot penetrate, when separated by it from pure solvent.
- osteoarchaeology — the branch of archaeology that deals with the study of bones found at archaeological sites
- out of character — the aggregate of features and traits that form the individual nature of some person or thing.
- outside director — a director of a company who is not employed by that company but is often employed by a holding or associated company
- over the counter — If a medicine can be bought over the counter, you do not need a prescription to buy it.
- over-application — the act of putting to a special use or purpose: the application of common sense to a problem.
- over-communicate — to impart knowledge of; make known: to communicate information; to communicate one's happiness.
- over-competitive — of, pertaining to, involving, or decided by competition: competitive sports; a competitive examination.
- over-consumption — the act of consuming, as by use, decay, or destruction.
- over-controlling — to exercise restraint or direction over; dominate; command: The car is difficult to control at high speeds. That zone is controlled by enemy troops.
- over-cultivation — the act or art of cultivating.
- over-descriptive — having the quality of describing; characterized by description: a descriptive passage in an essay.
- over-expectation — the act or the state of expecting: to wait in expectation.
- over-romanticize — to make romantic; invest with a romantic character: Many people romanticize the role of an editor.
- over-speculation — the contemplation or consideration of some subject: to engage in speculation on humanity's ultimate destiny.
- over-the-counter — unlisted on or not part of an organized securities exchange: over-the-counter stocks; the over-the-counter market. Abbreviation: OTC.