16-letter words containing f, e, r, h, o
- forbush decrease — the sudden decrease in the intensity of cosmic rays after an increase in solar activity.
- force one's hand — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- forefathers' day — the anniversary of the day (December 21, 1620, in Old Style December 11) on which the Pilgrims landed at Plymouth, Mass. Owing to an error in changing the date from the Old Style to the New, it is generally observed on December 22.
- 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.
- fort leavenworth — a military reservation and U.S. Army training center in E Kansas adjoining Leavenworth, one of the oldest (1827) military posts W of the Mississippi and site of federal penitentiary.
- forward exchange — a foreign bill purchased at a stipulated price and payable at a future date.
- founders' shares — shares awarded to the founders of a company and often granting special privileges
- four-wheel drive — a drive system in which engine power is transmitted to all four wheels for improved traction.
- fourth amendment — an amendment to the U.S. Constitution, ratified in 1791 as part of the Bill of Rights, prohibiting unlawful search and seizure of personal property.
- 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
- freeboard length — the length of a vessel, measured on the summer load line from the fore side of the stem to some part of the stern, usually the after side of the rudderpost.
- french cameroons — Cameroun (def 2).
- 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.
- french telephone — handset (def 1).
- friedrich wohler — Friedrich [free-drikh] /ˈfri drɪx/ (Show IPA), 1800–82, German chemist.
- from one's heart — very sincerely or deeply
- from the word go — to move or proceed, especially to or from something: They're going by bus.
- 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.
- furniture polish — product: shines wood
- geoffrey chaucer — Geoffrey, 1340?–1400, English poet.
- glory-of-the-sun — a bulbous, Chilean plant, Leucocoryne ixioides, of the amaryllis family, having fragrant, white or blue flowers.
- 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 turf — to be an unavoidable part of a particular situation or process
- half life period — Physics. the time required for one half the atoms of a given amount of a radioactive substance to disintegrate.
- hare's-foot fern — a fern, Polypodium aureum, of tropical America, having a brown, scaly rootstock and green or deep bluish-green fronds.
- harvey firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
- have no time for — not tolerate
- hawthorne effect — a positive change in the performance of a group of persons taking part in an experiment or study due to their perception of being singled out for special consideration.
- head normal form — (theory, reduction) (HNF) A term describing a lambda expression whose top level is either a variable, a data value, a built-in function applied to too few arguments, or a lambda abstraction whose body is not reducible. I.e. the top level is neither a redex nor a lambda abstraction with a reducible body. An expression in HNF may contain redexes in argument postions whereas a normal form may not. Compare Weak Head Normal Form.
- heat of reaction — the heat evolved or absorbed when one mole of a product is formed at constant pressure
- hell for leather — If you say that someone is going hell for leather, you are emphasizing that they are doing something or are moving very quickly and perhaps carelessly.
- hell-for-leather — characterized by reckless determination or breakneck speed: The sheriff led the posse in a hell-for-leather chase.
- 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.
- hydroferricyanic — (chemistry) Pertaining to, or containing, or obtained from, hydrogen, ferric iron, and cyanogen.
- 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.