17-letter words containing g, a, l, c, t, o
- genealogical tree — family tree.
- 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.
- glastonbury chair — a folding chair having legs crossed front-to-back and having arms connected to the back and to the front seat rail.
- glove compartment — a compartment in the dashboard of an automobile for storing small items.
- go for the collar — to go without a hit in a game
- go like hot cakes — to be sold very quickly or in large quantities
- good-time charlie — an affable, sociable, pleasure-loving man.
- grandfather clock — a pendulum floor clock having a case as tall as or taller than a person; tall-case clock; long-case clock.
- grandmother clock — a pendulum clock similar to a grandfather's clock but shorter.
- gunboat diplomacy — diplomatic relations involving the use or threat of military force, especially by a powerful nation against a weaker one.
- henry cabot lodge — Henry Cabot, 1850–1924, U.S. public servant and author: senator 1893–1924.
- high-carbon steel — steel containing between 0.5 and 1.5 per cent carbon
- histopathological — the science dealing with the histological structure of abnormal or diseased tissue; pathological histology.
- historiographical — the body of literature dealing with historical matters; histories collectively.
- ideogrammatically — In terms of, or by means of, ideograms.
- ignoratio elenchi — the fallacy of offering proof irrelevant to the proposition in question.
- inspector general — a comedy (1836) by Gogol.
- inspector-general — a comedy (1836) by Gogol.
- integral function — an entire function.
- integrated school — (in New Zealand) a private or church school that has joined the state school system
- kensington palace — a royal residence in Kensington Gardens, in the London borough of Kensington and Chelsea; dating from the 17th century, it was improved and extended by Sir Cristopher Wren
- lagging indicator — A lagging indicator is an economic indicator that changes following a change in the economy, such as unemployment.
- leading indicator — A leading indicator is an economic indicator that changes before a change in the economy, and that can be used to predict future economic or financial activity.
- legal aid society — an organization providing free legal guidance and service to persons who cannot afford a lawyer.
- linking consonant — a consonant inserted between two vowels in speech
- logical operation — Boolean operation.
- lose the exchange — to lose a rook in return for a bishop or knight
- macro-linguistics — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- magnetic monopole — a hypothetical very heavy particle with an isolated magnetic north pole or magnetic south pole.
- magnetoelasticity — the phenomenon, consisting of a change in magnetic properties, exhibited by a ferromagnetic material to which stress is applied.
- megaelectron volt — million electron volts.
- memetic algorithm — (algorithm) A genetic algorithm or evolutionary algorithm which includes a non-genetic local search to improve genotypes. The term comes from the Richard Dawkin's term "meme". One big difference between memes and genes is that memes are processed and possibly improved by the people that hold them - something that cannot happen to genes. It is this advantage that the memetic algorithm has over simple genetic or evolutionary algorithms. These algorithms are useful in solving complex problems, such as the "Travelling Salesman Problem," which involves finding the shortest path through a large number of nodes, or in creating artificial life to test evolutionary theories. Memetic algorithms are one kind of metaheuristic. (07 July 1997)
- messier catalogue — a catalogue of 103 nonstellar objects, such as nebulae and galaxies, prepared in 1781–86. An object is referred to by its number in this catalogue, for example the Andromeda Galaxy is referred to as M31
- micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
- mileage indicator — a device on a vehicle such as a car, plane, etc which indicates the number of miles travelled
- motorcycle racing — sport: competing on motorcycles
- mystical theology — the branch of theology dealing with mysticism and mystical experiences.
- nanotechnological — Of, pertaining to, or by means of nanotechnology.
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- optical computing — (hardware) (Or "Optical Signal Processing") Operating on data represented using electromagnetic radiation, e.g. visible light, instead of the electrical signals used in a conventional electronic digital computer. Electronic digital computers are built from transistors. These form components that store data and logic gates that perform the low-level Boolean operations such as AND, OR and NOT that are the basis of all digital computation. The optical equivalent requires material with a non-linear refractive index such that light beams can interact with each other to perform the same Boolean operations. Though the photons that carry optical signals offer some theoretical advantages over the electrons that carry electronic signals, there are many practical problems that would have to be overcome before optical computing could compete in terms of cost, power and speed.
- osculating circle — circle of curvature.
- otolaryngological — Pertaining to otolaryngology.
- palaeoclimatology — the study of climates of the geological past
- pathological liar — a person who tells lies frequently, with no rational motive for doing so.
- political refugee — a person who has fled from a homeland because of political persecution.
- pre-technological — of or relating to technology; relating to science and industry.
- prothoracic gland — either of a pair of endocrine glands in the anterior thorax of some insects, functioning to promote the series of molts from hatching to adulthood.
- pythagorean scale — the major scale as derived acoustically by Pythagoras from the perfect fifth.