17-letter words containing o, u, s, t
- natural harmonics — harmonics of a note produced on a stringed instrument by lightly touching an open or unstopped sounded string.
- natural resources — a naturally occurring source of wealth, as land or water.
- natural selection — the process by which forms of life having traits that better enable them to adapt to specific environmental pressures, as predators, changes in climate, or competition for food or mates, will tend to survive and reproduce in greater numbers than others of their kind, thus ensuring the perpetuation of those favorable traits in succeeding generations.
- natural-resources — a naturally occurring source of wealth, as land or water.
- neo-malthusianism — a view or doctrine advocating population control, especially by contraception.
- neurofibromatosis — a dominantly inherited genetic disorder characterized by flat brown patches on the skin, neurofibromas of the skin and internal organs, and in some cases skeletal deformity.
- neurophysiologist — the branch of physiology dealing with the functions of the nervous system.
- neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
- neuropsychologist — A neurologist or psychologist whose speciality is neuropsychology.
- neurotransmission — the transmission of a nerve impulse across a synapse.
- neurotransmissive — Relating to neurotransmission.
- neurotransmitters — Plural form of neurotransmitter.
- non-institutional — of, relating to, or established by institution.
- non-instructional — the act or practice of instructing or teaching; education.
- non-reimbursement — to make repayment to for expense or loss incurred: The insurance company reimbursed him for his losses in the fire.
- non-subordination — the act of placing in a lower rank or position: The refusal to allow women to be educated was part of society's subordination of women to men.
- nonconstitutional — of or relating to the constitution of a state, organization, etc.
- nonproductiveness — The quality of being nonproductive.
- nonunderstandable — Not understandable.
- northern studfish — See under studfish.
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- nursery education — education provided at a school for young children, usually from three to five years old
- odds-on favourite — a person, team, horse, etc that is regarded as the most likely to win a competition
- odour of sanctity — sanctimoniousness
- old south arabian — a group of four closely related Semitic languages, having a writing system and used from about the eighth to the fifth centuries b.c. in the southern part of Arabia.
- olympic mountains — a mountain range in NW Washington: part of the Coast Range. Highest peak: Mount Olympus, 2427 m (7965 ft)
- on cruise control — If you say that someone is on cruise control in a contest, you mean that they are winning the contest easily and without needing to make a lot of effort.
- on second thought — Often, second thoughts. reservation about a previous action, position, decision, judgment, or the like: He had second thoughts about his decision.
- opening arguments — the statements or arguments provided by lawyers at the beginning of a trial
- opportunistically — adhering to a policy of opportunism; practicing opportunism.
- organ-pipe cactus — a treelike or columnar cactus, Lemaireocereus marginatus, of Mexico, having a central, erect spine surrounded by spreading spines in clusters of five to eight, and funnel-shaped, brownish-purple flowers.
- osculating circle — circle of curvature.
- out at the elbows — the bend or joint of the human arm between upper arm and forearm.
- out of all reason — unreasonable
- out of commission — the act of committing or entrusting a person, group, etc., with supervisory power or authority.
- out of harm's way — If someone or something is out of harm's way, they are in a safe place away from danger or from the possibility of being damaged.
- out of one's head — the upper part of the body in humans, joined to the trunk by the neck, containing the brain, eyes, ears, nose, and mouth.
- out of one's mind — (in a human or other conscious being) the element, part, substance, or process that reasons, thinks, feels, wills, perceives, judges, etc.: the processes of the human mind.
- out of this world — the earth or globe, considered as a planet.
- out on one's feet — dazed or stunned, but still standing
- outside broadcast — An outside broadcast is a radio or television programme that is not recorded or filmed in a studio, but in another building or in the open air.
- over-presumptuous — full of, characterized by, or showing presumption or readiness to presume in conduct or thought, as by saying or doing something without right or permission.
- overconscientious — Excessively conscientious.
- overnight success — sth or sb suddenly popular
- papanicolaou test — Pap test.
- parents anonymous — (in Britain) an association of local voluntary self-help groups offering help through an anonymous telephone service to parents who fear they will injure their children, or who have other problems in managing their children
- penalty shoot-out — In football, a penalty shoot-out is a way of deciding the result of a game that has ended in a draw. Players from each team try to score a goal in turn until one player fails to score and their team loses the game.
- percussion bullet — a bullet that is exploded by percussion
- personal computer — a compact computer that uses a microprocessor and is designed for individual use, as by a person in an office or at home or school, for such applications as word processing, data management, financial analysis, or computer games. Abbreviation: PC.
- personal equation — the tendency to personal bias that accounts for variation in interpretation or approach and for which allowance must be made.