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17-letter words containing a, c, e, t

  • floating currency — a currency that is free to fluctuate against other currencies in accordance with market forces
  • flowering currant — an ornamental shrub, Ribes sanguineum, growing to 2 to 3 metres (6 to 9ft) in height, with red, crimson, yellow, or white flowers: family Saxifragaceae
  • flowering tobacco — any plant belonging to the genus Nicotiana, of the nightshade family, as N. alata and N. sylvestris, having clusters of fragrant flowers that usually bloom at night, grown as an ornamental.
  • foreign secretary — foreign minister.
  • fort walton beach — a city in NW Florida.
  • foucault pendulum — a pendulum that demonstrates the rotation of the earth by exhibiting an apparent change in its plane of oscillation.
  • foundation course — A foundation course is a course that you do at some colleges and universities in order to prepare yourself for a longer or more advanced course.
  • fractal dimension — (mathematics)   A common type of fractal dimension is the Hausdorff-Besicovich Dimension, but there are several different ways of computing fractal dimension. Fractal dimension can be calculated by taking the limit of the quotient of the log change in object size and the log change in measurement scale, as the measurement scale approaches zero. The differences come in what is exactly meant by "object size" and what is meant by "measurement scale" and how to get an average number out of many different parts of a geometrical object. Fractal dimensions quantify the static *geometry* of an object. For example, consider a straight line. Now blow up the line by a factor of two. The line is now twice as long as before. Log 2 / Log 2 = 1, corresponding to dimension 1. Consider a square. Now blow up the square by a factor of two. The square is now 4 times as large as before (i.e. 4 original squares can be placed on the original square). Log 4 / log 2 = 2, corresponding to dimension 2 for the square. Consider a snowflake curve formed by repeatedly replacing ___ with _/\_, where each of the 4 new lines is 1/3 the length of the old line. Blowing up the snowflake curve by a factor of 3 results in a snowflake curve 4 times as large (one of the old snowflake curves can be placed on each of the 4 segments _/\_). Log 4 / log 3 = 1.261... Since the dimension 1.261 is larger than the dimension 1 of the lines making up the curve, the snowflake curve is a fractal. [sci.fractals FAQ].
  • fraternal society — a club or other association, usually of men, having a limited membership and devoted to professional, religious, charitable, or social activities.
  • freezer container — a rigid plastic container used to hold food that is to be frozen
  • freight insurance — insurance paid on goods in transport
  • fulgencio batista — Fulgencio [fool-hen-syaw] /fulˈhɛn syɔ/ (Show IPA), (Fulgencio Batista y Zaldívar) 1901–73, Cuban military leader: dictator of Cuba 1934–40; president 1940–44, 1952–59.
  • full load current — A full load current is the largest current that a motor or other device is designed to carry under particular conditions.
  • functional change — 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.
  • 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.
  • further education — adult education.
  • galactic latitude — the angular distance from the galactic equator of a point on the celestial sphere.
  • garbage collector — refuse collector, dustman
  • genealogical tree — family tree.
  • general secretary — the chief administrator of an organization
  • 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.
  • 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.
  • geneva convention — one of a series of international agreements, first made in Geneva, Switzerland, in 1864, establishing rules for the humane treatment of prisoners of war and of the sick, the wounded, and the dead in battle.
  • geomagnetic storm — magnetic storm.
  • gestatorial chair — a ceremonial chair on which the pope is carried
  • get a kick out of — enjoy, take pleasure in
  • get in on the act — If you get in on the act, you take part in or take advantage of something that was started by someone else.
  • get one's back up — the rear part of the human body, extending from the neck to the lower end of the spine.
  • gethsemane cheese — a semisoft, mild, yellow cheese from whole milk, made by Trappist monks.
  • gigaelectron volt — one billion electron-volts. Abbreviation: GeV, Gev.
  • giscard d'estaing — Valéry [va-ley-ree] /va leɪˈri/ (Show IPA), born 1926, French political leader: president 1974–81.
  • give satisfaction — to satisfy
  • glove compartment — a compartment in the dashboard of an automobile for storing small items.
  • glymphatic system — Anatomy. the system or process by which cerebrospinal fluid moves through channels formed by glia, cleansing the mammalian brain of harmful waste.
  • go back to the pa — to abandon city life in favour of rural life
  • 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.
  • government action — intervention by a government, esp to influence financial markets
  • grand climacteric — Physiology. a period of decrease of reproductive capacity in men and women, culminating, in women, in the menopause.
  • grande chartreuse — the Carthusian monastery at Grenoble, France: the chief monastery of the Carthusians until 1903.
  • 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.
  • greater celandine — celandine (def 1).
  • greenland current — the ocean current flowing clockwise around S Greenland.
  • grey-faced petrel — a dark-coloured New Zealand petrel, Pterodroma macroptera gouldi
  • grignard reaction — the reaction of a Grignard reagent with any of the numerous types of compounds with which it can combine, as alcohols, acids, aldehydes, ketones, or esters: used chiefly in organic synthesis.
  • grooved fricative — a fricative, as (s), in which air is channeled through a groove along the center of the tongue.
  • haematocrystallin — Alternative form of hematocrystallin.
  • haemorrhoidectomy — surgical removal of haemorrhoids
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