16-letter words containing h, f
- harvest festival — religious celebration of crops gathered
- harvey firestone — Harvey Samuel, 1868–1938, U.S. industrialist and rubber manufacturer.
- have a field day — If someone is having a field day, they are very busy doing something that they enjoy, even though it may be hurtful for other people.
- 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.
- hay-scented fern — a fern, Dennstaedtia punctilobula, of eastern North America, having brittle, yellow-green fronds.
- 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.
- head post office — the main post office in a town
- headhunting firm — a recruiting agency
- health food shop — a shop which sells health foods
- 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
- 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.
- hen of the woods — a large, grayish-brown, edible fungus, Polyporus frondosus, forming a mass of overlapping caps at the base of trees and somewhat resembling a hen.
- high-pass filter — a filter that allows high-frequency electromagnetic signals to pass while rejecting or attenuating others below a specific value.
- 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 commons — the elective, lower house of the Parliament of Great Britain and Northern Ireland, Canada, and various other countries in the Commonwealth of Nations.
- house of worship — house of God.
- how's that for…? — is this satisfactory as regards…?
- huckleberry finn — (The Adventures of Huckleberry Finn) a novel (1884) by Mark Twain.
- 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.
- hyperflexibility — capable of being bent, usually without breaking; easily bent: a flexible ruler.
- in at the finish — being present or taking part at the conclusion, as of a contest
- 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 middle of — at the centre of
- in the nature of — essentially the same as; by way of
- in the region of — You say in the region of to indicate that an amount that you are stating is approximate.
- in the shadow of — very close to; verging upon
- in the throes of — If you are in the throes of doing or experiencing something, especially something difficult, you are busy doing it or are deeply involved in it.
- infernal machine — a concealed or disguised explosive device intended to destroy life or property.
- intake of breath — When someone takes an intake of breath, they breathe in quickly and noisily, usually because they are shocked at something.
- irish free state — former name of the Republic of Ireland.
- joachim of fiore — ?1132–1202 ad, Italian mystic and philosopher, best known for teaching that history can be divided into three ages, those of the Father, Son, and Holy Ghost
- john of damascus — Saint, a.d. c675–749, priest, theologian, and scholar of the Eastern Church, born in Damascus.
- johnny foreigner — a person from a country other than those which make up the United Kingdom
- josephson effect — a high-speed switch, used in experimental computers, that operates on the basis of a radiative phenomenon (Jo·sephson effect) exhibited by a pair of superconductors separated by a thin insulator.
- junior flyweight — a boxer weighing up to 108 pounds (48.6 kg), between minimumweight and flyweight.
- king of the hill — a game in which each player attempts to climb to the top of some point, as a mound of earth, and to prevent all others from pushing or pulling him or her off the top.
- kingfisher daisy — a bushy southern African plant, Felicia bergerana, having grasslike leaves and solitary, bright-blue flowers.
- kirchhoff's laws — the law that the algebraic sum of the currents flowing toward any point in an electric network is zero.