17-letter words containing m, l, e, a, r
- radial keratotomy — a surgical technique for correcting nearsightedness by making a series of spokelike incisions in the cornea to change its shape and focusing properties.
- radioluminescence — luminescence induced by nuclear radiation.
- railway timetable — a list of railway journeys arranged according to the time when they begin and end
- rat-tailed maggot — the aquatic larva of any of several syrphid flies of the genus Eristalis, that breathes through a long, thin tube at the posterior end of its body.
- recoil escapement — anchor escapement.
- recurring decimal — Mathematics. repeating decimal.
- recursion formula — a formula for determining the next term of a sequence from one or more of the preceding terms.
- reduction formula — a formula, such as sin (90° ± A) = cos A, expressing the values of a trigonometric function of any angle greater than 90° in terms of a function of an acute angle
- relative humidity — the amount of water vapor in the air, expressed as a percentage of the maximum amount that the air could hold at the given temperature; the ratio of the actual water vapor pressure to the saturation vapor pressure. Abbreviation: RH, rh.
- relative majority — the excess of votes or seats won by the winner of an election over the runner-up when no candidate or party has more than 50 per cent
- relative pathname — (file system) A path relative to the working directory. Its first character can be anything but the pathname separator.
- relativistic mass — the mass of a body in motion relative to the observer: it is equal to the rest mass multiplied by a factor that is greater than 1 and that increases as the magnitude of the velocity increases.
- repeating decimal — a decimal numeral that, after a certain point, consists of a group of one or more digits repeated ad infinitum, as 2.33333 …. or 23.0218181818 ….
- replacement value — insurance: sum required to replace sth
- ring-tailed lemur — a Madagascan prosimian primate, Lemur catta, with a long black and white ringed tail
- role-playing game — a game in which participants adopt the roles of imaginary characters in an adventure under the direction of a Game Master.
- rom kernel manual — (publication) (RKM) A series of books or files for developers for the Amiga computer, containing information about the operating system kernel stored in ROM.
- rural development — social or economic activities or initiatives designed to improve the standard of living in areas far away from large towns or cities
- saint elmo's fire — corona discharge.
- scarlet pimpernel — a plant belonging to the genus Anagallis, of the primrose family, especially A. arvensis (scarlet pimpernel) having scarlet or white flowers that close at the approach of bad weather.
- schwedler's maple — a variety of the Norway maple, Acer platanoides schwedleri, producing red leaves that subsequently turn green.
- self-administered — to manage (affairs, a government, etc.); have executive charge of: to administer the law.
- self-confirmation — the act of confirming.
- self-estrangement — to turn away in feeling or affection; make unfriendly or hostile; alienate the affections of: Their quarrel estranged the two friends.
- self-impregnating — to make pregnant; get with child or young.
- selkirk mountains — a mountain range in SW Canada, in SE British Columbia. Highest peak: Mount Sir Sandford, 3533 m (11 590 ft)
- semi-biographical — of or relating to a person's life: He's gathering biographical data for his book on Milton.
- semi-experimental — pertaining to, derived from, or founded on experiment: an experimental science.
- semi-permeability — permeable only to certain small molecules: a semipermeable membrane.
- semi-professional — actively engaged in some field or sport for pay but on a part-time basis: semiprofessional baseball players.
- semimicroanalysis — any analytical method in which the weight of the sample is between 10 and 100 milligrams.
- seminal principle — a potential, latent within an imperfect object, for attaining full development.
- sexual dimorphism — the condition in which the males and females in a species are morphologically different, as with many birds.
- sexual harassment — unwelcome sexual advances made by an employer or superior, especially when compliance is made a condition of continued employment or advancement.
- silk manufacturer — a person or business that is involved in the manufacture of silk thread and fabric
- silver star medal — a U.S. military decoration in the form of a bronze star with a small silver star at the center, awarded for gallantry in action
- similar triangles — triangles that are similar due to the equality of corresponding angles and the proportional similarity of the corresponding sides
- simulated leather — fake leather that is an imitation of real leather and is usually made from a cheaper material
- single-name paper — commercial paper bearing only the signature of the maker.
- small waved umber — a brownish geometrid moth, Horisme vitalbata, that is cryptically marked to merge with tree bark
- smarandache logic — neutrosophic logic
- social democratic — A social democratic party is a political party whose principles are based on social democracy.
- socialist realism — a state-approved artistic or literary style in some socialist countries, as the U.S.S.R., that characteristically celebrates an idealized vision of the life and industriousness of the workers.
- software platform — a major piece of software, as an operating system, an operating environment, or a database, under which various smaller application programs can be designed to run.
- south farmingdale — a town on central Long Island, in SE New York.
- sparc xterminal 1 — (computer) Sun's lowest cost networked Unix desktop, it is board-upgradeable to a SPARC 4. It comes with a choice of frame buffers: 8-bit colour, Turbo GX, or Turbo GX plus. This product was expected to replace the SPARCclassic X. UK availability was planned for March 1995.
- special messenger — a postal worker who delivers mail by special delivery
- spectrum analyser — an instrument that splits an input waveform into its frequency components, which are then displayed
- spectrum analysis — the determination of the constitution or condition of bodies and substances by means of the spectra they produce.
- square millimeter — a unit of area measurement equal to a square measuring one millimeter on each side. 2 , sq. mm. Abbreviation: mm.