17-letter words containing a, l, t, e, r, i
- frostbite sailing — the sport of sailing in temperate latitudes during the winter despite cold weather.
- functional isomer — any of several structural isomers that have the same molecular formula but with the atoms connected in different ways and therefore falling into different functional groups.
- garden heliotrope — the common valerian, Valeriana officinalis, especially when cultivated as an ornamental.
- genealogical tree — family tree.
- general sarmiento — a city in E Argentina, a suburb of Buenos Aires.
- general semantics — a philosophical approach to language, developed by Alfred Korzybski, exploring the relationship between the form of language and its use and attempting to improve the capacity to express ideas.
- generalized other — an individual's internalized impression of societal norms and expectations.
- genetic algorithm — (GA) An evolutionary algorithm which generates each individual from some encoded form known as a "chromosome" or "genome". Chromosomes are combined or mutated to breed new individuals. "Crossover", the kind of recombination of chromosomes found in sexual reproduction in nature, is often also used in GAs. Here, an offspring's chromosome is created by joining segments choosen alternately from each of two parents' chromosomes which are of fixed length. GAs are useful for multidimensional optimisation problems in which the chromosome can encode the values for the different variables being optimised.
- gestatorial chair — a ceremonial chair on which the pope is carried
- gigaelectron volt — one billion electron-volts. Abbreviation: GeV, Gev.
- go the extra mile — make an exceptional effort
- goldbeater's skin — the prepared outside membrane of the large intestine of the ox, used by goldbeaters to lay between the leaves of the metal while they beat it into gold leaf.
- golf ball printer — IBM 2741
- good-time charlie — an affable, sociable, pleasure-loving man.
- grand climacteric — Physiology. a period of decrease of reproductive capacity in men and women, culminating, in women, in the menopause.
- grapefruit league — a series of training games played by major-league teams before the opening of the season (so named because they take place in the citrus-growing South, as in Florida).
- great rift valley — a series of rift valleys running from N to S, from the Jordan Valley in SW Asia to Mozambique in SE Africa.
- great vowel shift — a series of changes in the quality of the long vowels between Middle and Modern English as a result of which all were raised, while the high vowels (ē) and (o̅o̅), already at the upper limit, underwent breaking to become the diphthongs (ī) and (ou).
- great willow herb — either of two tall, large-flowered willow herbs, Epilobium angustifolium or E. hirsutum.
- greater celandine — celandine (def 1).
- green-winged teal — a small freshwater duck, Anas crecca, of Eurasia and North America, having an iridescent green speculum in the wing.
- greenland halibut — a flatfish, Reinhardtius hippoglossoides, similar and related to the halibut
- guardian ad litem — a person appointed by a court as guardian of an infant or other person to act on his or her behalf in a particular action or proceeding.
- guerrilla theater — the presentation of short propaganda plays or skits, usually on sociopolitical themes, as war or repression, often on the streets or in other nontheater locations.
- haematocrystallin — Alternative form of hematocrystallin.
- haemoglobinometer — an instrument used to determine the haemoglobin content of blood
- hairline fracture — a very fine crack in a bone
- hairy-tailed mole — a blackish North American mole, Parascalops breweri, having a short, hairy tail.
- harmonic interval — an intervening period of time: an interval of 50 years.
- helicopter parent — a style of child rearing in which an overprotective mother or father discourages a child's independence by being too involved in the child's life: In typical helicopter parenting, a mother or father swoops in at any sign of challenge or discomfort.
- high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
- histamine blocker — any of various substances that act at a specific receptor site to block certain actions of histamine.
- historical method — the process of establishing general facts and principles through attention to chronology and to the evolution or historical course of what is being studied.
- holding operation — a plan or procedure devised to prolong the existing situation
- hole in the heart — a defect of the heart in which there is an abnormal opening in any of the walls dividing the four heart chambers
- hollerith, herman — Herman Hollerith
- homeland security — national defence
- honorable mention — a citation conferred on a contestant, exhibit, etc., having exceptional merit though not winning a top honor or prize.
- hospital gangrene — Pathology. a contagious, often fatal gangrene, especially involving amputation stumps and war wounds, occurring usually in crowded, ill-kept hospitals, and caused by putrefactive bacteria.
- hyaline cartilage — the typical, translucent form of cartilage, containing little fibrous tissue.
- hydroelectrically — Using hydroelectric power.
- hyper-peristalsis — the progressive wave of contraction and relaxation of a tubular muscular system, especially the alimentary canal, by which the contents are forced through the system.
- hyperalimentation — overfeeding.
- hyperbolic secant — a hyperbolic function that is the reciprocal of cosh; sech
- hyperchlorination — Chemistry. to combine or treat with chlorine. to introduce chlorine atoms into an organic compound by an addition or substitution reaction.
- hyperexcitability — an excessive reaction to stimuli.
- hyperinflationary — (economics) Having very high levels of inflation.
- hyperintellectual — appealing to or engaging the intellect: intellectual pursuits.
- hyperirritability — extreme irritability.
- hyperpolarisation — Alternative spelling of hyperpolarization.