20-letter words containing u, n, r, a, i

fractionating column — a long vertical cylinder used in fractional distillation, in which internal reflux enables separation of high and low boiling fractions to take place
frankfurt horizontal — Craniometry. the plane established when right and left poria and left orbitale are in the same horizontal plane.
freefall parachuting — a variety of parachuting in which the jumper manoeuvres in free fall before opening the parachute
frequency modulation — FM.
friar minor capuchin — capuchin (def 4).
fulminate of mercury — a gray, crystalline solid, Hg(CNO) 2 , used chiefly in the manufacture of commercial and military detonators.
fuming sulfuric acid — an oily, hygroscopic, corrosive liquid, H 2 S 2 O 7 , that, depending on purity, is colorless or dark brown: used chiefly as a dehydrating agent in the manufacture of explosives and as a sulfating or sulfonating agent in the manufacture of dyes.
fundamental particle — elementary particle.
gastroduodenostomies — Plural form of gastroduodenostomy.
general postal union — former name of Universal Postal Union. Abbreviation: GPU.
general public virus — (software, legal) A pejorative name for some versions of the GNU project copyleft or General Public License (GPL), which requires that any tools or application programs incorporating copylefted code must be source-distributed on the same terms as GNU code. Thus it is alleged that the copyleft "infects" software generated with GNU tools, which may in turn infect other software that reuses any of its code.
gorno-altai republic — a constituent republic of S Russia: mountainous, rising over 4350 m (14 500 ft) in the Altai Mountains of the south. Capital: Gorno-Altaisk. Pop: 202 900 (2002). Area: 92 600 sq km (35 740 sq miles)
grand unified theory — a possible future quantum field theory that would encompass both the electroweak theory and quantum chromodynamics. Abbreviation: GUT.
gravitational radius — Schwarzschild radius.
green mountain state — Vermont (used as a nickname).
greenwich hour angle — hour angle measured from the meridian of Greenwich, England.
gregory of nazianzus — Saint. ?329–89 ad, Cappadocian theologian: bishop of Caesarea (370–79). Feast days: Jan 2, 25, and 30
group life insurance — a form of life insurance available to members of a group, typically employees of a company, under a master policy.
group representation — representation in a governing body on the basis of interests rather than by geographical location.
happy hunting ground — the North American Indian heaven, conceived of as a paradise of hunting and feasting for warriors and hunters.
hard gelatin capsule — A hard gelatin capsule is a type of capsule that is usually used to contain medicine in the form of dry powder or very small pellets.
health questionnaire — A health questionnaire is a list of questions about someone's health issued by underwriters before accepting a person as a risk.
hexafluoroantimonate — (inorganic chemistry) The anion SbF6- or any salt containing this anion; it is used as an acidic catalyst in epoxide opening reactions.
hierarchical routing — The complex problem of routing on large networks can be simplified by breaking a network into a hierarchy of smaller networks, where each level is responsible for its own routing. The Internet has, basically, three levels: the backbones, the mid-levels, and the stub networks. The backbones know how to route between the mid-levels, the mid-levels know how to route between the sites, and each site (being an autonomous system) knows how to route internally. See also Exterior Gateway Protocol, Interior Gateway Protocol, transit network.
hindu-arabic numeral — Arabic numeral.
hit-and-run accident — a motor-vehicle accident in which the driver leaves the scene without stopping to give assistance, inform the police, etc
hospitality industry — the hotel and accommodation industry
houses of parliament — In Britain, the Houses of Parliament are the British parliament, which consists of two parts, the House of Commons and the House of Lords. The buildings where the British parliament does its work are also called the Houses of Parliament.
how are you keeping? — how are you?
human interest story — news item about people's lives
human papillomavirus — any of a group of papillomaviruses causing cutaneous warts and lesions of the oral, anal, and genital mucous membranes in human beings
human parvovirus b19 — Pathology. a mild infection, most often seen in children or young adults, caused by a small virus ((the human parvovirus B19)) and marked by a blotchy rash on the cheeks, arms, and legs.
human-interest story — a story or report, as in a newspaper or on a newscast, designed to engage attention and sympathy by enabling one to identify readily with the people, problems, and situations described.
hungarian bromegrass — a pasture grass, Bromus inermis, native to Europe, having smooth blades.
hurricane-force wind — a wind, not necessarily a hurricane, having a speed of more than 72 miles per hour (32 m/sec): the strongest of the winds.
hydraulic fracturing — a process in which fractures in rocks below the earth's surface are opened and widened by injecting chemicals and liquids at high pressure: used especially to extract natural gas or oil.
hydraulic suspension — a system of motor-vehicle suspension using hydraulic members, often with hydraulic compensation between front and rear systems (hydroelastic suspension)
hydrodesulfurization — desulfurization by catalytic agents of the sulfur-rich hydrocarbons obtained from petroleum or the like during cracking or hydrocracking.
ideal of pure reason — God, seen as an idea of pure reason unifying the personal soul with the cosmos.
imported currantworm — the larva of any of several insects, as a sawfly, Nematus ribesii (imported currantworm) which infests and feeds on the leaves and fruit of currants.
in (or out of) gear — (not) connected to the motor
in (or out of) play — in (or not in) the condition for continuing play
in a state of nature — completely naked
in bad circumstances — (of a person) in a bad financial situation
in the circumstances — a condition, detail, part, or attribute, with respect to time, place, manner,agent, etc., that accompanies, determines, or modifies a fact or event; a modifying or influencing factor: Do not judge his behavior without considering every circumstance.
in the lap of luxury — If you say that someone lives in the lap of luxury, you mean that they live in conditions of great comfort and wealth.
in the nature of sth — If you say that one thing is in the nature of another, you mean that it is like the other thing.
in-service education — training and education given to employed teachers throughout their career
indian cucumber root — a North American plant, Medeola virginiana, of the lily family, having whorled leaves, nodding, greenish-yellow flowers, and an edible root.
industrial democracy — control of an organization by the people who work for it, esp by workers holding positions on its board of directors

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