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17-letter words containing a, t, o, r, n

  • iontophoretically — By means of iontophoresis.
  • irrational number — a number that cannot be exactly expressed as a ratio of two integers.
  • irreconcilability — incapable of being brought into harmony or adjustment; incompatible: irreconcilable differences.
  • irrigation system — a system of supplying (land) with water by means of artificial canals, ditches, etc, esp to promote the growth of food crops
  • it doesn't matter — You say 'it doesn't matter' to tell someone who is apologizing to you that you are not angry or upset, and that they should not worry.
  • it's your funeral — If someone says to you 'It's your funeral', they think your decision or your actions will have bad consequences for you, but they are unwilling to interfere.
  • italian greyhound — one of an Italian breed of toy dogs resembling a greyhound.
  • job advertisement — an announcement in a newspaper, on television, or on a poster about a post of employment
  • john of lancaster — Duke of Bedford, 1389–1435, Bedford, John of Lancaster, Duke of.
  • juazeiro do norte — a city in Bahia state, NE Brazil.
  • judgment of paris — the decision by Paris to award Aphrodite the golden apple of discord competed for by Aphrodite, Athena, and Hera.
  • junior technician — a rank in the RAF senior to aircraftman: comparable to that of private in the army
  • jus primae noctis — droit du seigneur.
  • karitane hospital — a hospital for young babies and their mothers
  • kastor and pollux — Castor and Pollux.
  • ladder tournament — a tournament in which the entrants are listed by name and rank, advancement being by means of challenging and defeating an entrant ranked one or two places higher.
  • lagging indicator — A lagging indicator is an economic indicator that changes following a change in the economy, such as unemployment.
  • lagrange's method — a procedure for finding maximum and minimum values of a function of several variables when the variables are restricted by additional conditions.
  • lan administrator — (job)   A person who installs and maintains LAN hardware and software. A LAN administrator troubleshoots network usage and computer peripherals. He installs new users, performs system backups and data recovery, and resolves LAN communications problems.
  • lance of courtesy — a lance having a blunt head to prevent serious injury by a jouster to an opponent.
  • langmuir isotherm — A Langmuir isotherm is a classical relationship between the concentrations of a solid and a fluid, used to describe a state of no change in the sorption process.
  • laplace transform — a map of a function, as a signal, defined especially for positive real values, as time greater than zero, into another domain where the function is represented as a sum of exponentials.
  • last-in first-out — stack
  • laurent's theorem — the theorem that a function that is analytic on an annulus can be represented by a Laurent series on the annulus.
  • law of reflection — the principle that when a ray of light, radar pulse, or the like, is reflected from a smooth surface the angle of reflection is equal to the angle of incidence, and the incident ray, the reflected ray, and the normal to the surface at the point of incidence all lie in the same plane.
  • law of refraction — the principle that for a ray, radar pulse, or the like, that is incident on the interface of two media, the ratio of the sine of the angle of incidence to the sine of the angle of refraction is equal to the ratio of the velocity of the ray in the first medium to the velocity in the second medium and the incident ray, refracted ray, and normal to the surface at the point of incidence all lie in the same plane.
  • 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.
  • least upper bound — an upper bound that is less than or equal to all the upper bounds of a particular set. 3 is the least upper bound of the set consisting of 1, 2, 3. Abbr.: lub.
  • legendre equation — a differential equation of the form (1− x 2) d2y/dx2 − 2 xdy/dx + a (a + 1) y = 0, where a is an arbitrary constant.
  • lempert operation — fenestration (def 3c).
  • level compensator — an automatic gain control device used in the receivers of telegraphic circuits.
  • lexical insertion — the process in which actual morphemes of a language are substituted either for semantic material or for place-fillers in the course of a derivation of a sentence
  • liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
  • lie in wait (for) — to wait so as to catch after planning an ambush or trap (for)
  • life and/or death — If you say that something is a matter of life and death, you are emphasizing that it is extremely important, often because someone may die or suffer great harm if people do not act immediately.
  • light mineral oil — a colorless, oily, almost tasteless, water-insoluble liquid, usually of either a standard light density (light mineral oil) or a standard heavy density (heavy mineral oil) consisting of mixtures of hydrocarbons obtained from petroleum by distillation: used chiefly as a lubricant, in the manufacture of cosmetics, and in medicine as a laxative.
  • liquid propellant — a rocket propellant in liquid form.
  • lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
  • litigation friend — a person acting on behalf of an infant or other person under legal disability
  • logical operation — Boolean operation.
  • louisiana tanager — western tanager.
  • low-hanging fruit — the fruit that grows low on a tree and is therefore easy to reach
  • lumpenproletariat — the lowest level of the proletariat comprising unskilled workers, vagrants, and criminals and characterized by a lack of class identification and solidarity.
  • macro-linguistics — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
  • macroevolutionary — Pertaining to, or as a result of macroevolution.
  • macroinstructions — Plural form of macroinstruction.
  • macroinvertebrate — (zoology) An invertebrate that is large enough to be seen without the use of a microscope.
  • madiba generation — the generation born around 1994, when Nelson Mandela became the first president of a multiracial South Africa
  • magnetic roasting — roasting of a nonmagnetic ore to render it magnetic so that it can be separated from gangue by means of a magnetic field.
  • magnetic rotation — Faraday effect.
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