16-letter words containing o, i, l, f, r
- francis of sales — Saint, 1567–1622, French ecclesiastic and writer on theology: bishop of Geneva 1602–22.
- 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
- french polynesia — a French overseas territory in the S Pacific, including the Society Islands, Marquesas Islands, and other scattered island groups. 1544 sq. mi. (4000 sq. km). Capital: Papeete.
- friction welding — a method of welding thermoplastics or metals by the heat generated by rubbing the members to be joined against each other under pressure.
- friedrich wohler — Friedrich [free-drikh] /ˈfri drɪx/ (Show IPA), 1800–82, German chemist.
- friendly society — law: mutual group providing benefits
- fringed polygala — a North American milkwort, Polygala paucifolia, having flowers with purplish-pink, winglike petals and a fringed tube.
- frontier orbital — the highest-energy occupied orbital or lowest-energy unoccupied orbital in a molecule. Such orbitals have a large influence on chemical properties
- 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
- gender-profiling — the use of personal characteristics or behavior patterns to make generalizations about a person, as in gender profiling.
- go for your life — an expression of encouragement
- go off the rails — If someone goes off the rails, they start to behave in a way that other people think is unacceptable or very strange, for example they start taking drugs or breaking the law.
- gold certificate — a former U.S. paper currency issued by the federal government for circulation from 1865 to 1933, equal to and redeemable for gold to a stated value.
- gravity platform — (in the oil industry) a drilling platform that rests directly on the sea bed and is kept in position by its own weight; it is usually made of reinforced concrete
- half life period — Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
- hold a brief for — to argue for; champion
- hopfield network — (artificial intelligence) (Or "Hopfield model") A kind of neural network investigated by John Hopfield in the early 1980s. The Hopfield network has no special input or output neurons (see McCulloch-Pitts), but all are both input and output, and all are connected to all others in both directions (with equal weights in the two directions). Input is applied simultaneously to all neurons which then output to each other and the process continues until a stable state is reached, which represents the network output.
- hourglass figure — the shape of a woman who is well-proportioned and has a small waist
- hydroformylation — the addition of a hydrogen atom and the formyl group to a double bond of a hydrocarbon by reaction with a mixture of carbon monoxide and hydrogen in the presence of a catalyst.
- 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 flower — a unisexual flower with only stamens or only pistils
- infant mortality — death during infancy
- inflationary gap — the excess of total spending in an economy over the value, at current prices, of the output it can produce
- intestinal flora — microorganisms that normally inhabit the lumen of the intestinal tract
- isle of portland — a rugged limestone peninsula in SW England, in Dorset, connected to the mainland by a narrow isthmus and by Chesil Bank: the lighthouse of Portland Bill lies at the S tip; famous for the quarrying of Portland stone, a fine building material. Pop (town): 12 000 (latest est)
- isoplastic graft — syngraft.
- 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.
- kingdom of arles — a kingdom in SE France which had dissolved by 1378: known as the Kingdom of Burgundy until about 1200
- kirchhoff's laws — the law that the algebraic sum of the currents flowing toward any point in an electric network is zero.
- knights of labor — a secret workingmen's organization formed in 1869 to defend the interests of labor.
- law of parsimony — a principle according to which an explanation of a thing or event is made with the fewest possible assumptions.
- legion of honour — an order for civil or military merit instituted by Napoleon in France in 1802
- letter of advice — a notification from a consignor to a consignee giving specific information as to a shipment, the name of the carrier, the date shipped, etc.
- letter of credit — an order issued by a banker allowing a person named to draw money to a specified amount from correspondents of the issuer.
- letter of intent — a letter indicating that the writer has the serious intention of doing something, such as signing a contract in the circumstances specified. It does not constitute either a promise or a contract
- 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.
- littoral warfare — military combat conducted in coastal areas.
- 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.
- lower california — Baja California.
- maid of all work — a maid who does all types of housework
- 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
- microfilm reader — a machine that displays on a screen a magnified image of a microfilm