17-letter words containing h, o, t, a, n
- neo-malthusianism — a view or doctrine advocating population control, especially by contraception.
- neo-scholasticism — a contemporary application of Scholasticism to modern problems and life.
- nephelometrically — By means of nephelometry.
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- neuropsychiatrist — A medical doctor specializing in neuropsychiatry; a medical doctor dealing with disorders that have both neurological and psychiatric features.
- ninth commandment — “Thou shalt not bear false witness against thy neighbor”: ninth of the Ten Commandments.
- nitroxanthic acid — picric acid.
- non-authoritarian — favoring complete obedience or subjection to authority as opposed to individual freedom: authoritarian principles; authoritarian attitudes.
- non-authoritative — having due authority; having the sanction or weight of authority: an authoritative opinion.
- non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- nonaccomplishment — Something that does not achieve the intended goal.
- nonteaching staff — employees within an academic or vocational environment whose jobs do not involve teaching
- normal orthogonal — orthonormal.
- north lanarkshire — a council area of central Scotland: consists mainly of the NE part of the historical county of Lanarkshire; formerly (1974–96) part of Strathclyde Region: engineering and metalworking industries. Administrative centre: Motherwell. Pop: 321 820 (2003 est). Area: 1771 sq km (684 sq miles)
- north miami beach — a city in SE Florida.
- north-wall hammer — a type of ice axe that has a hammer as part of its head
- northcountrywoman — a female native or inhabitant of the North of England
- northeast by east — a point on the compass 11°15′ east of northeast. Abbreviation: NEbE.
- northeast passage — a ship route along the N coast of Europe and Asia, between the North Sea and the Pacific.
- northern michigan — the peninsula between lakes Superior and Michigan constituting the N part of Michigan. Abbreviation: U.P.
- northern rhodesia — former name of Zambia.
- northern sporades — a group of Greek islands in the Aegean, lying northeast of Euboea
- northwest passage — a ship route along the Arctic coast of Canada and Alaska, joining the Atlantic and Pacific oceans.
- not a happy bunny — deeply dissatisfied or discontented
- not worth a whoop — worthless
- nothing less than — You can use nothing less than to emphasize your next words, often indicating that something seems very surprising or important.
- nothing more than — merely, solely
- nuclear threshold — the point in war at which a combatant brings nuclear weapons into use
- 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.
- old spanish trail — an overland route from Santa Fe, N. Mex., to Los Angeles, Calif., first marked out in 1776 by Spanish explorers and missionaries.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- on condition that — a particular mode of being of a person or thing; existing state; situation with respect to circumstances.
- on one's deathbed — about to die
- on the barrelhead — upon being presented for sale; at the time of delivery
- on the face of it — the front part of the head, from the forehead to the chin.
- on the foundation — an endowment or legacy for the perpetual support of an institution such as a school or hospital
- on the half shell — served raw, with seasonings, on a half shell
- on the heavy side — tending to be too heavy
- on the off chance — the absence of any cause of events that can be predicted, understood, or controlled: often personified or treated as a positive agency: Chance governs all.
- on the off-chance — If you do something on the off-chance, you do it because you hope that it will succeed, although you think that this is unlikely.
- on the other hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- on the pig's back — successful; established
- on the wrong tack — a short, sharp-pointed nail, usually with a flat, broad head.
- one of these days — at some future time
- operating theatre — An operating theatre is a special room in a hospital where surgeons carry out medical operations.
- opisthobranchiate — (zoology) Of or pertaining to the Opisthobranchiata.
- organic chemistry — the branch of chemistry, originally limited to substances found only in living organisms, dealing with the compounds of carbon.
- orthogonal matrix — a matrix that is the inverse of its transpose so that any two rows or any two columns are orthogonal vectors
- orthogonalization — (mathematics) The process of converting a set of functions or vectors into orthogonal ones.
- orthovanadic acid — an oxyacid of vanadium, known chiefly in the form of its vanadate salts. Formula: H3VO4