19-letter words containing h, a, n, o

munchausen syndrome — a factitious disorder in which otherwise healthy individuals seek to hospitalize themselves with feigned or self-induced pathology in order to receive surgical or other medical treatment.
mushroom ventilator — a ventilator having at the top of a vertical shaft a broad rounded cap that can be screwed down to close it.
nail polish remover — solvent for removing nail polish
napierian logarithm — natural logarithm.
nathaniel hawthorne — Nathaniel, 1804–64, U.S. novelist and short-story writer.
national characters — (character) Characters with accents and other diacritical marks that are used in certain written languages (that are based on the Roman alphabet) but not in others, particularly not in English. A standard list is ISO Latin 1.
natural catastrophe — A natural catastrophe is an unexpected event, caused by nature, such as an earthquake or flood, in which there is a lot of suffering, damage, or death.
near to one's heart — cherished or important
neighbourhood watch — a scheme under which members of a community agree together to take responsibility for keeping an eye on each other's property, as a way of preventing crime
nernst heat theorem — the principle that reactions in crystalline solids involve changes in entropy that tend to zero as the temperature approaches absolute zero
nerve growth factor — a protein that promotes the growth, organization, and maintenance of sympathetic and some sensory nerve cells. Abbreviation: NGF.
neuropathologically — In a neuropathologic way.
neuropsychodynamics — The theoretical synthesis of neuroscience and psychodynamics.
newtonian mechanics — the branch of mechanics that is based on Newton's laws of motion and that is applicable to systems that are so large that Planck's constant can be regarded as negligibly small (distinguished from quantum mechanics).
niagara-on-the-lake — a town in SE Ontario, in S Canada, on Lake Ontario, at the mouth of the Niagara River, on the border between Canada and New York.
niccolo machiavelli — Niccolò di Bernardo [neek-kaw-law dee ber-nahr-daw] /ˌnik kɔˈlɔ di bɛrˈnɑr dɔ/ (Show IPA), 1469–1527, Italian statesman, political philosopher, and author.
no strings attached — without conditions
non-distinguishable — to mark off as different (often followed by from or by): He was distinguished from the other boys by his height.
nonplayer character — a character in a tabletop role-playing game who is controlled by the Game Master.
nordrhein-westfalen — German name of North Rhine-Westphalia.
north new hyde park — a town on W Long Island, in SE New York.
north pacific ocean — the northern part of the Pacific Ocean, extending from the equator to the Arctic Ocean.
north valley stream — a town on W Long Island, in SE New York.
north-central state — a state of N Nigeria. Capital: Kaduna. Pop: 4 438 007 (1995 est). Area: 46 053 sq km (17 781 sq miles)
north-northeasterly — a wind or storm coming from the north-northeast
northwest ordinance — the act of Congress in 1787 providing for the government of the Northwest Territory and setting forth the steps by which its subdivisions might become states.
not by a long chalk — by no means; not possibly
not by a long sight — on no account; not at all
not much to look at — unattractive or unimpressive
not worth a cracker — worthless; useless
not worth a crumpet — utterly worthless
noughts and crosses — tick-tack-toe (def 1).
noughts-and-crosses — tick-tack-toe (def 1).
occupational hazard — a danger or hazard to workers that is inherent in a particular occupation: Silicosis is an occupational hazard of miners.
occupational health — Occupational health is the branch of medicine that deals with the health of people in their workplace or in relation to their job.
old church slavonic — the oldest attested Slavic language, an ecclesiastical language written first by Cyril and Methodius in a Bible translation of the 9th century and continued in use for about two centuries. It represents the South Slavic, Bulgarian dialect of 9th-century Salonika with considerable addition of other South and West Slavic elements. Abbreviation: OCS.
old english pattern — a spoon pattern having a stem curving backward at the end.
old man and the sea — a novel (1952) by Ernest Hemingway.
old spanish customs — irregular practices among a group of workers to gain increased financial allowances, reduced working hours, etc
on an empty stomach — If you do something on an empty stomach, you do it without having eaten.
on someone's behalf — in / on behalf of, as a representative of or a proxy for: On behalf of my colleagues, I address you tonight.
on someone's hammer — persistently demanding and critical of someone
on the baker's list — in good health
on the razor's edge — a sharp-edged instrument used especially for shaving the face or trimming the hair.
on-the-job training — apprenticeship, learning by doing
one after the other — one at a time
one way and another — on balance
open the floodgates — If events open the floodgates to something, they make it possible for that thing to happen much more often or much more seriously than before.
open-hearth furnace — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.
open-hearth process — a process of steelmaking in which the charge is laid in a furnace (open-hearth furnace) on a shallow hearth and heated directly by burning gas as well as radiatively by the furnace walls.

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