16-letter words containing f, i, h, o
- flight simulator — a device used in pilot and crew training that provides a cockpit environment and sensations of flight under actual conditions.
- floridean starch — the storage polysaccharide of red algae.
- follicular phase — a stage of the menstrual cycle, from onset of menstruation to ovulation.
- fool around with — have casual sex
- foot in the door — If you say that something helps someone to get their foot in the door or their toe in the door, you mean that it gives them an opportunity to start doing something new, usually in an area that is difficult to succeed in.
- for the duration — If you say that something will happen for the duration, you mean that it will happen for as long as a particular situation continues.
- for the meantime — For the meantime means for a period of time from now until something else happens.
- forbid the banns — to raise an objection to a marriage announced in this way
- foreign exchange — commercial paper drawn on a person or corporation in a foreign nation.
- forked lightning — Forked lightning is lightning that divides into two or more parts near the ground.
- formylmethionine — Alternative spelling of formyl methionine.
- forward chaining — A data-driven technique used in constructing goals or reaching inferences derived from a set of facts. Forward chaining is the basis of production systems. Oppose backward chaining.
- forward-thinking — planning or tending to plan for the future; forward-looking.
- four-wheel drive — a drive system in which engine power is transmitted to all four wheels for improved traction.
- 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.
- francis joseph i — 1830–1916, emperor of Austria 1848–1916; king of Hungary 1867–1916.
- 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
- 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.
- french directory — the body of five directors in power in France from 1795 until their overthrow by Napoleon in 1799
- french indochina — an area in SE Asia, formerly a French colonial federation including Cochin-China, the protectorates of Annam, Cambodia, Tonkin, and Laos, and the leased territory of Kwangchowan: now comprising the three independent states of Vietnam, Cambodia, and Laos. Capital: Hanoi.
- 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.
- friedrich wohler — Friedrich [free-drikh] /ˈfri drɪx/ (Show IPA), 1800–82, German chemist.
- 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 shift — a change in the grammatical function of a word, as in the use of the noun input as a verb or the noun fun as an adjective.
- furniture polish — product: shines wood
- 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.
- go with the flow — take a relaxed approach
- go with the turf — to be an unavoidable part of a particular situation or process
- good-for-nothing — worthless; of no use.
- gulf of thailand — an arm of the South China Sea between the Malay Peninsula and Indochina
- half life period — Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
- half-blind joint — a corner dovetail joint visible on one face only.
- harvey firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
- have no time for — not tolerate
- head post office — the main post office in a town
- heat of reaction — the heat evolved or absorbed when one mole of a product is formed at constant pressure
- heat of solution — the heat evolved or absorbed when one mole of a substance dissolves completely in a large volume of solvent
- high-performance — A high-performance car or other product goes very fast or does a lot.
- hold a brief for — to argue for; champion
- homme d'affaires — a businessman.
- 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.
- 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.
- huffman encoding — Huffman coding
- hydroferricyanic — (chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
- 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.
- hyper-conformity — action in accord with prevailing social standards, attitudes, practices, etc.