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17-letter words containing a, i, r, t, f

  • 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.
  • fluid lubrication — lubrication in which bearing surfaces are separated by an oil film sustained by the motion of the parts
  • fluvioterrestrial — (of animals) able to live in rivers and on land
  • fore-and-aft sail — any of various sails, as jib-headed sails, gaff sails, lugsails, lateen sails, spritsails, staysails, and jibs, that do not set on yards and whose normal position, when not trimmed, is in a fore-and-aft direction amidships.
  • foreign relations — (used with a singular verb) the field of foreign affairs: an expert in foreign relations.
  • foreign secretary — foreign minister.
  • formative element — a morpheme that serves as an affix, not as a base, or root, in word formation.
  • forward quotation — the price quoted on a forward delivery.
  • 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.
  • fourier transform — a mapping of a function, as a signal, that is defined in one domain, as space or time, into another domain, as wavelength or frequency, where the function is represented in terms of sines and cosines.
  • 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].
  • fractionalization — Separation into parts by fractionalizing.
  • frankenstein food — any foodstuff that has been genetically modified
  • 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 forwarder — a person or firm that arranges to pick up or deliver goods on instructions of a shipper or a consignee from or to a point by various necessary conveyances and common carriers.
  • freight insurance — insurance paid on goods in transport
  • front-line player — a regular player on a sports team or one who plays in the farthest forward position
  • 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.
  • further education — adult education.
  • get a rise out of — to get up from a lying, sitting, or kneeling posture; assume an upright position: She rose and walked over to greet me. With great effort he rose to his knees.
  • get to first base — Baseball. the first in counterclockwise order of the bases from home plate. the position of the player covering the area of the infield near first base.
  • go-faster stripes — (jargon)   chrome. Mainstream in some parts of UK.
  • golf ball printer — IBM 2741
  • grandstand finish — a close or exciting ending to a sports match or competition
  • 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).
  • grooved fricative — a fricative, as (s), in which air is channeled through a groove along the center of the tongue.
  • hairline fracture — a very fine crack in a bone
  • have it in for sb — If someone has it in for you, they dislike you and try to cause problems for you.
  • head of the river — any of various annual rowing regattas held on particular rivers
  • heat of formation — the heat evolved or absorbed when one mole of a compound is formed from its constituent atoms
  • human trafficking — the illegal practice of procuring or trading in human beings for the purpose of prostitution, forced labor, or other forms of exploitation.
  • hydrogasification — a high-temperature, high-pressure process for producing liquid or gaseous fuels from fine particles of coal and hydrogen gas
  • hyperinflationary — (economics) Having very high levels of inflation.
  • image intensifier — any of various devices for amplifying the intensity of an optical image, sometimes used in conjunction with an image converter
  • impersonification — (archaic) the act of impersonating; impersonation.
  • improper fraction — a fraction having the numerator greater than the denominator.
  • in the market for — an open place or a covered building where buyers and sellers convene for the sale of goods; a marketplace: a farmers' market.
  • induction furnace — a type of electric furnace used for melting a charge of scrap by the heat produced by its own electrical resistance.
  • inertial platform — self-contained navigational devices used in inertial guidance, along with their mounting.
  • infantry division — a military division composed of infantry
  • infinite integral — improper integral (def 1).
  • infinitive marker — a word or affix occurring with the verb stem in the infinitive, such as to in to make
  • integral function — an entire function.
  • intensive farming — battery rearing of animals
  • interconfessional — common to or occurring between churches having different confessions.
  • interfenestration — a space between two windows.
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