16-letter words containing f, r, u, i
- four-wheel drive — a drive system in which engine power is transmitted to all four wheels for improved traction.
- fourier analysis — the expression of any periodic function as a sum of sine and cosine functions, as in an electromagnetic wave function. Compare Fourier series.
- fourth dimension — Physics, Mathematics. a dimension in addition to length, width, and depth, used so as to be able to employ geometrical language in discussing phenomena that depend on four variables: Time is considered a fourth dimension for locating points in space-time.
- franchise clause — a clause stipulating that the insured will be responsible for any loss not in excess of a stated amount, and the insurance company will be liable for full payment of the loss equaling or exceeding the amount up to the insured amount.
- francis of paula — Saint, 1416–1507, Italian monk: founder of the order of Minims.
- fraternity house — a house occupied by a college or university fraternity.
- fraunhofer lines — a set of dark lines appearing in the continuous emission spectrum of the sun. It is caused by the absorption of light of certain wavelengths coming from the hotter region of the sun by elements in the cooler outer atmosphere
- freezing mixture — a mixture of two substances, usually salt and ice, to give a temperature below 0°C
- french community — a cultural and economic association of France, its overseas departments and territories, and former French territories that chose to maintain association after becoming independent republics: formed 1958.
- frontier dispute — a conflict concerning a frontier between countries and which usually involves those countries
- full to the brim — If something, especially a container, is filled to the brim or full to the brim with something, it is filled right up to the top.
- functional group — a group of atoms responsible for the characteristic behavior of the class of compounds in which the group occurs, as the hydroxyl group in alcohols.
- functional water — water containing additives that provide extra nutritional value
- funeral director — a person, usually a licensed embalmer, who supervises or conducts the preparation of the dead for burial and directs or arranges funerals.
- furniture polish — product: shines wood
- go for your life — an expression of encouragement
- go with the turf — to be an unavoidable part of a particular situation or process
- grapefruit juice — nectar of the grapefruit
- group identifier — (operating system) (gid) A unique number, between 0 an 32767, identifying a set of users under Unix. Gids are found in the /etc/passwd and /etc/group databases (or their NIS equivalents) and one is also associated with each file, indicating the group to which its group permissions apply.
- headhunting firm — a recruiting agency
- horsehair fungus — an edible white, striated, umbrella-capped mushroom, Marasmius rotula, commonly found in eastern North America.
- hourglass figure — the shape of a woman who is well-proportioned and has a small waist
- house of worship — house of God.
- huckleberry finn — (The Adventures of Huckleberry Finn) a novel (1884) by Mark Twain.
- hydrogen sulfide — a colorless, flammable, water-soluble, cumulatively poisonous gas, H 2 S, having the odor of rotten eggs: used chiefly in the manufacture of chemicals, in metallurgy, and as a reagent in laboratory analysis.
- imperfect fungus — a fungus for which only the asexual reproductive stage is known, as any fungus of the Fungi imperfecti.
- in the course of — If something happens in the course of a particular period of time, it happens during that period of time.
- in the nature of — essentially the same as; by way of
- infinite product — a sequence of numbers in which an infinite number of terms are multiplied together.
- insufferableness — The state of being insufferable.
- inverse function — the function that replaces another function when the dependent and independent variables of the first function are interchanged for an appropriate set of values of the dependent variable. In y = sin x and x = arc sin y, the inverse function of sine is arc sine.
- ivyleaf geranium — a geranium plant, pelargonium peltatum, with trailing leaves and white, pink, red, or violet flowers
- junior flyweight — a boxer weighing up to 108 pounds (48.6 kg), between minimumweight and flyweight.
- juvenile officer — a police officer concerned with juvenile delinquents.
- legion of honour — an order for civil or military merit instituted by Napoleon in France in 1802
- lighting fixture — a lighting fixture is part of a light that is attached to the wall or ceiling where you put the light bulb or other lighting element, and which cannot be easily removed
- lissajous figure — the series of plane curves traced by an object executing two mutually perpendicular harmonic motions.
- lithium fluoride — a fine, white, slightly water-soluble powder, LiF, used chiefly in the manufacture of ceramics.
- liver of sulphur — a mixture of potassium sulphides used as a fungicide and insecticide and in the treatment of skin diseases
- louisiana french — French as spoken in Louisiana; Cajun. Abbreviation: LaF.
- make a virtue of — If you make a virtue of something, you pretend that you did it because you chose to, although in fact you did it because you had to.
- mallowpuff māori — a Māori who is considered to behave like a white person
- marsh cinquefoil — a variety of cinquefoil, Potentilla palustris, that grows in marshy areas
- medium frequency — any frequency between 300 and 3000 kilohertz. Abbreviation: MF.
- mercuric sulfide — a crystalline, water-insoluble, poisonous compound, HgS, occurring as a coarse, black powder (black mercuric sulfide) or as a fine, bright-scarlet powder (red mercuric sulfide) used chiefly as a pigment and as a source of the free metal.
- mexican fruitfly — a brightly colored fly, Anastrepha ludens, whose larvae are a serious pest chiefly of citrus fruits and mangoes in Mexico, Central America, and southern Texas.
- miraculous fruit — miracle fruit.
- misconfiguration — An incorrect or inappropriate configuration.
- multifariousness — (uncountable) The characteristic of being multifarious.
- multilinear form — a function or functional of several variables such that when all variables but one are held fixed, the function is linear in the remaining variable.