18-letter words containing u, n, f, r, i

formal equivalence — the relation that holds between two open sentences when their universal closures are materially equivalent
foundation garment — an undergarment, as a girdle or corset, worn by women to support or give shape to the contours of the body.
four-legged friend — a four-legged animal, esp a dog
frequency function — probability density function (def 2).
fulminating powder — powder that explodes by percussion.
fuming nitric acid — a colorless, yellowish, or brownish fuming corrosive liquid, usually prepared from nitric acid by the addition of excess nitrogen dioxide: used in organic synthesis for nitration, and as an oxidizer in liquid propellants for rockets.
functional program — (language) A program employing the functional programming approach or written in a functional language.
funding operations — the conversion of government floating stock or short-term debt into holdings of long-term bonds
funeral procession — ceremonial cortège at a burial
furnishing fabrics — fabrics used to make and cover furniture
grand council fire — a formal gathering of camp fire members requiring a minimum attendance of three troops.
gulf of california — an arm of the Pacific Ocean, between Sonora and Lower California
ifs, ands, or buts — a supposition; uncertain possibility: The future is full of ifs.
immunofluorescence — any of various techniques for detecting an antigen or antibody in a sample by coupling its specifically interactive antibody or antigen to a fluorescent compound, mixing with the sample, and observing the reaction under an ultraviolet-light microscope.
in the near future — soon
indefinite pronoun — a pronoun, as English some, any, somebody, that leaves unspecified the identity of its referent.
information bureau — an office where you can go to get information
informatory double — a double intended to inform one's partner that one has a strong hand and to urge a bid regardless of the strength of his or her hand.
isthmus of corinth — a narrow strip of land between the Gulf of Corinth and the Saronic Gulf: crossed by the Corinth Canal making navigation possible between the gulfs
last in, first out — The expression last in, first out is used to say that the last person who started work in an organization should be the first person to leave it, if fewer people are needed.
last-in, first-out — an inventory plan based on the assumption that materials constituting manufacturing costs should be carried on the books at the market price of the last lot received. Abbreviation: LIFO. Compare first-in, first-out.
lean manufacturing — efficiency in the production of goods
manufacturing base — the manufacturing industries of an area or a country considered as a unit and a constituent part of the economy
mixed-flow turbine — a water turbine in which water flows radially and axially through the rotating vanes
modulus of torsion — a coefficient of elasticity of a substance, expressing the ratio between the force per unit area (shearing stress) that laterally deforms the substance and the shear (shearing strain) that is produced by this force.
no-fault insurance — Also called no-fault insurance. a form of automobile insurance designed to enable the policyholder in case of an accident to collect a certain basic compensation promptly for economic loss from his or her own insurance company without determination of liability.
nursery facilities — places where young children are looked after
of your own making — If you say that something such as a problem you have is of your own making, you mean you have caused or created it yourself.
order of magnitude — You can use order of magnitude when you are giving an approximate idea of the amount or importance of something.
out of circulation — If someone is out of circulation, they do not appear in public or at social gatherings for a period of time. You can also say that someone is out of circulation when they are in prison.
out of the running — the act of a person, animal, or thing that runs.
percussion flaking — a method of forming a flint tool by striking flakes from a stone core with another stone or a piece of bone or wood.
perfect continuous — perfect progressive.
point of departure — Nautical. the precise location of a vessel, established in order to set a course, especially in beginning a voyage in open water.
point of no return — Aviation. the point in a flight at which an aircraft will lack sufficient fuel to return to its starting point.
population figures — population totals; statistics relating to the size of populations
presumption of law — a presumption based upon a policy of law or a general rule and not upon the facts or evidence in an individual case.
purchasing officer — the member of staff in an organization who is responsible for buying goods or products
radius of gyration — the distance from an axis at which the mass of a body may be assumed to be concentrated and at which the moment of inertia will be equal to the moment of inertia of the actual mass about the axis, equal to the square root of the quotient of the moment of inertia and the mass.
recruiting officer — a person whose job is to recruit staff, esp on behalf of the military
recursive function — a function defined in terms of the repeated application of a number of simpler functions to their own values, by specifying a base clause and a recursion formula
reference counting — (programming) A garbage collection technique where each memory cell contains a count of the number of other cells which point to it. If this count reaches zero the cell is freed and its pointers to other cells are followed to decrement their counts, and so on recursively. This technique cannot cope with circular data structures. Cells in such structures refer (indirectly) to themselves and so will never have a zero reference count. This means they would never be reclaimed, even when there are no references from outside the structure.
relative frequency — the ratio of the number of times an event occurs to the number of occasions on which it might occur in the same period.
reproduction proof — repro proof.
return-flue boiler — a fire-tube boiler having flues that collect the combustion gases at the end of the boiler opposite the fire door and pass them through the boiler to an uptake above the fire door.
rufous hummingbird — a reddish-brown hummingbird, Selasphorus rufus, of western North America.
run in sb's family — If a characteristic runs in someone's family, it often occurs in members of that family, in different generations.
russian federation — a republic extending from E Europe to N and W Asia. 6,593,000 sq. mi. (17,076,000 sq. km). Capital: Moscow.
safety regulations — regulations or rules that are put in place to ensure a product, event, etc, is safe and not dangerous
sampling frequency — sample rate

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