17-letter words containing l, e, t, i, r, p
- l'hospital's rule — the theorem that for the quotient of two functions satisfying certain conditions on a given closed interval, each having infinite limit or zero as limit at a given point, the limit of the quotient at the given point is equal to the limit of the quotient of the derivatives of each function.
- la perouse strait — a strait between S Sakhalin Island, Russia and N Hokkaido Island, Japan connecting the Sea of Okhotsk and the Sea of Japan. 25 miles (40 km) wide.
- landscape painter — artist who depicts natural scenery
- lempert operation — fenestration (def 3c).
- lepidopterologist — One who studies lepidopterology.
- let something rip — If you let something rip, you do it as quickly or as forcefully as possible. You can say 'let it rip' or 'let her rip' to someone when you want them to make a vehicle go as fast as it possibly can.
- liberty of speech — freedom of speech.
- life imprisonment — long-term prison sentence
- life of the party — most lively, outgoing person
- lighthouse keeper — a person who mans a lighthouse and makes sure that the light is working properly
- liquid petrolatum — mineral oil.
- liquid propellant — a rocket propellant in liquid form.
- literacy campaign — a campaign designed to reduce illiteracy and promote literacy in a country, area, etc
- logical operation — Boolean operation.
- lower paleolithic — See under Paleolithic.
- lumpenproletariat — the lowest level of the proletariat comprising unskilled workers, vagrants, and criminals and characterized by a lack of class identification and solidarity.
- manual typewriter — a keyboard machine, operated entirely by hand, for writing mechanically in characters resembling print
- mean proportional — (between two numbers a and b) a number x for which a/x = x/b : The number 3 is a mean proportional between 1 and 9.
- mental impairment — (in England, according to the Mental Health Act 1983) a state of arrested or incomplete development of mind, which includes significant impairment of intelligence and social functioning and is associated with abnormally aggressive or seriously irresponsible conduct
- mentally impaired — with reduced or weakened mental capacity
- metalloproteinase — (enzyme) Any of several proteinases that have a metal atom (often zinc) at their active centre.
- methylidyne group — the trivalent group ≡CH.
- microencapsulated — Encapsulated using microencapsulation.
- microfilm plotter — a type of incremental plotter that has a film rather than a paper output
- micropaleontology — the branch of paleontology dealing with the study of microscopic fossils.
- multiple cropping — the use of the same field for two or more crops, whether of the same or of different kinds, successively during a single year.
- multiple exposure — the filming of more than one scene in a single frame
- multiple integral — an integral in which the integrand involves a function of more than one variable and which requires for evaluation repetition of the integration process.
- multiple neuritis — polyneuritis.
- multiple-unit car — a self-propelled railroad car, generally used in commuting service, equipped so that a train of such cars can be operated from any one of them.
- multiplex printer — (hardware) A duplex circuit using time-division multiplexing to provide multiple duplex channels over one wire. For example, channels A, B, C, and D could be used for simultaneous transmission in both directions.
- multiplier effect — the effect of government spending on national income
- negative particle — a word that indicates negativity, for example 'not' in English or 'ne pas' in French
- negative polarity — the grammatical character of a word or phrase, such as ever or any, that may normally be used only in a semantically or syntactically negative or interrogative context
- nephelometrically — By means of nephelometry.
- neuropathological — (medicine) Of, pertaining to, or arising from neuropathology, the pathology of nerve tissue.
- neurophysiologist — the branch of physiology dealing with the functions of the nervous system.
- neuropsychologist — A neurologist or psychologist whose speciality is neuropsychology.
- non-proliferation — Non-proliferation is the limiting of the production and spread of something such as nuclear or chemical weapons.
- non-stereotypical — a process, now often replaced by more advanced methods, for making metal printing plates by taking a mold of composed type or the like in papier-mâché or other material and then taking from this mold a cast in type metal.
- non-thermoplastic — soft and pliable when heated, as some plastics, without any change of the inherent properties.
- oil of turpentine — a colorless, flammable, volatile essential oil having a penetrating odor and a pungent, bitter taste, obtained from turpentine oleoresin by distillation: used in paints and varnishes, and in medicine as a carminative, vermifuge, expectorant, rubefacient, and, formerly, as a diuretic.
- omphalomesenteric — (anatomy) Of or pertaining to the umbilicus and mesentery.
- one-parent family — A one-parent family is a family that consists of one parent and his or her children living together.
- operation sealion — the codename for Hitler's proposed invasion (1940) of Great Britain
- optical carrier 3 — (networking) (OC-3) A SONET rate of 3 * 51.84 = 155.52 megabits per second, which matches STS-3.
- optical carrier n — (networking) (OC-n) A SONET rate of n times 51.84 megabits per second.
- optical isomerism — stereoisomerism in which the isomers are identical in molecular weight and most chemical and physical properties but differ in their effect on the rotation of polarized light.
- ortho-nitrophenol — any compound derived from phenol by the replacement of one or more of its ring hydrogen atoms by the nitro group.
- painted greenling — a greenling, Oxylebius pictus, inhabiting the Pacific coastal waters of North America, having a whitish body marked with black bands.