15-letter words containing a, o, r, i, s
- non-rationalism — the principle or habit of accepting reason as the supreme authority in matters of opinion, belief, or conduct.
- non-residential — of or relating to residence or to residences: a residential requirement for a doctorate.
- non-suppurative — suppurating; characterized by suppuration.
- nonaristocratic — lacking aristocratic qualities, not refined or polished
- nonastronomical — not astronomical
- noncatastrophic — of the nature of a catastrophe, or disastrous event; calamitous: a catastrophic failure of the dam.
- nonconservation — A failure to conserve.
- nonconservative — Not conservative.
- nondisciplinary — of, for, or constituting discipline; enforcing or administering discipline: disciplinary action.
- nondiscriminate — Not discriminate.
- noninstrumental — serving or acting as an instrument or means; useful; helpful.
- nonpartisanship — The quality of not being partisan, of remaining politically independent.
- nonprofessional — not a member of or trained in a specific profession.
- nonprofessorial — not professorial
- nonpsychiatrist — a person who is not a psychiatrist
- nonrelativistic — not concerned with or involving the theory of relativity
- nonstandardized — Unstandardized.
- nonstationarity — The condition of being nonstationary.
- north australia — a former division of Australia; now part of the Northern Territory.
- north caucasian — a language family including all the Caucasian languages north of the Caucasian divide, as Kabardian and the Circassian language proper, and a few between the divide and the Black Sea, as Abkhazian.
- north highlands — a town in central California, near Sacramento.
- not necessarily — If you reply 'Not necessarily', you mean that what has just been said or suggested may not be true.
- nothingarianism — Beliefs and practices of a nothingarian.
- nottinghamshire — a county in central England. 854 sq. mi. (2210 sq. km).
- nuclear fission — fission (def 2).
- nuisance ground — a garbage dump.
- observation car — a railroad passenger car having a lounge or platform from which the scenery can be viewed.
- observationally — of, relating to, or founded on observation, especially founded on observation rather than experiment.
- obtuse triangle — a triangle with one obtuse angle.
- officer of arms — an officer with the duties of a herald, especially one charged with the devising, granting, or confirming of armorial bearings.
- official strike — a collective stoppage of work by part or all of the workforce of an organization with the approval of the trade union concerned. The stoppage may be accompanied by the payment of strike pay by the trade union concerned
- oligohydramnios — (medicine) A deficit of amniotic fluid in the amniotic sac, causing distinctive deformations of the foetus.
- oligomerisation — Alternative spelling of oligomerization.
- oligosaccharide — any carbohydrate yielding few monosaccharides on hydrolysis, as two, three, or four.
- on a shoestring — If you do something or make something on a shoestring, you do it using very little money.
- on the increase — growing, increasing
- operationalised — Simple past tense and past participle of operationalise.
- operations room — a room from which all the operations of a military, police, or other disciplined activity are controlled
- optical scanner — the process of interpreting data in printed, handwritten, bar-code, or other visual form by a device (optical scanner or reader) that scans and identifies the data.
- optical storage — optical disk drive
- orchestrational — Of or pertaining to orchestration.
- ordinal numbers — Also called ordinal numeral. any of the numbers that express degree, quality, or position in a series, as first, second, and third (distinguished from cardinal number).
- ordinary seaman — a seaman insufficiently skilled to be classified as an able-bodied seaman. Abbreviation: O.D., O.S., o.s.
- ordinary shares — British. a share of common stock.
- organic disease — a disease in which there is a structural alteration (opposed to functional disease).
- organized chaos — a complex situation or process that appears chaotic while having enough order to achieve progress or goals
- organochlorines — Plural form of organochlorine.
- organomagnesium — pertaining to or noting an organic compound, especially an organic halide, containing magnesium linked to carbon.
- orthopsychiatry — an approach to psychiatry concerned with the study and treatment of behavioral disorders, especially of young people.
- outdoorsmanship — a person devoted to outdoor sports and recreational activities, as hiking, hunting, fishing, or camping.