15-letter words containing p, o, r
- non-responsible — answerable or accountable, as for something within one's power, control, or management (often followed by to or for): He is responsible to the president for his decisions.
- non-suppurative — suppurating; characterized by suppuration.
- nonbiographical — not biographical, not relating to biography or events in a person's life
- noncatastrophic — of the nature of a catastrophe, or disastrous event; calamitous: a catastrophic failure of the dam.
- noncompensatory — serving to compensate, as for loss, lack, or injury.
- noncompressible — not able to be compressed
- noncomputerized — not computerized or controlled by computers
- noncontemporary — not contemporary
- nondepartmental — not limited to or related to a specific department
- nondisciplinary — of, for, or constituting discipline; enforcing or administering discipline: disciplinary action.
- nonexperimental — pertaining to, derived from, or founded on experiment: an experimental science.
- nonincorporated — Not incorporated.
- nonmetaphorical — not metaphorical; literal
- nonmetropolitan — Not metropolitan.
- nonpartisanship — The quality of not being partisan, of remaining politically independent.
- nonphotographic — not involving photographic equipment or techniques
- nonprecedential — Not precedential.
- nonprescription — (of drugs, medication, etc.) legally available for purchase without a doctor's prescription; over-the-counter.
- nonprescriptive — that prescribes; giving directions or injunctions: a prescriptive letter from an anxious father.
- nonprofessional — not a member of or trained in a specific profession.
- nonprofessorial — not professorial
- nonproportional — having due proportion; corresponding.
- nonpsychiatrist — a person who is not a psychiatrist
- nonreproducible — Unable to be reproduced; not reproducible.
- nonreproductive — Not able to reproduce; sterile.
- nonstereoscopic — Not stereoscopic.
- northern paiute — a member of an American Indian people of Nevada, Oregon, and California, allied to the Paiute.
- northern parula — any of several American wood warblers of the genus Parula, especially P. americana (northern parula) having bluish plumage with a yellow throat and breast.
- notour bankrupt — a bankrupt who has failed to discharge his or her debts within the days of grace allowed by the court
- nuclear-powered — powered by nuclear energy
- nullarbor plain — a treeless, semiarid area of S Australia, contiguous to the Great Australian Bight.
- nutty professor — a professor or academic person who is eccentric or slightly crazy or unusual
- objective prism — a large prism placed in front of the objective lens or mirror of a telescope, allowing the simultaneous acquisition of the spectra of many stars.
- odd permutation — a permutation of a set of n elements, x 1 , x 2 , …, xn, which permutes the product of all differences of the form (xi – xj), where i is less than j, into the negative of the product.
- offset printing — offset (def 6).
- oil tanker pier — An oil tanker pier is a structure over water where oil tankers can stop and load or unload.
- olbers' paradox — the paradox that if the universe consisted of an infinite number of stars equally distributed through space, then every line of sight would come from a star and the night sky would glow uniformly, which is observationally not true.
- on one's uppers — higher, as in place, position, pitch, or in a scale: the upper stories of a house; the upper register of a singer's voice.
- on prescription — If a medicine is available on prescription, you can only get it from a chemist or pharmacist if a doctor gives you a prescription for it.
- on the port bow — within 45 degrees to the port of straight ahead
- onward progress — progress that advances or improves (a situation, etc)
- onychocryptosis — a form of nail disease in which nails are ingrown
- open enrollment — open admissions.
- open government — the doctrine that all government business should be open to regulation and scrutiny by the public
- open university — higher education by correspondence
- open your mouth — If you say that someone does not open their mouth, you are emphasizing that they never say anything at all.
- operating cycle — the period of time between starting a business and making a profit
- operating table — table on which surgery is performed
- operationalised — Simple past tense and past participle of operationalise.
- operationalized — Simple past tense and past participle of operationalize.