17-letter words containing r, e, t, u
- 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.
- label edge router — (networking) (LER) A device that sits at the edge of an MPLS domain, that uses routing information to assign labels to datagrams and then forwards them into the MPLS domain.
- 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.
- lambdoidal suture — the lambda-shaped seam or line of joining between the occipital and two parietal bones at the back part of the skull.
- 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.
- language transfer — transfer (def 20).
- latent strabismus — the tendency, controllable by muscular effort, for one or both eyes to exhibit strabismus.
- laurent's theorem — the theorem that a function that is analytic on an annulus can be represented by a Laurent series on the annulus.
- le morte d'arthur — a compilation and translation of French Arthurian romances by Sir Thomas Malory, printed by Caxton in 1485.
- 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.
- lebesgue integral — an integral obtained by application of the theory of measure and more general than the Riemann integral.
- 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.
- letter of request — a letter sent from a court to a foreign court requesting judicial assistance
- letters of marque — a former government document authorizing an individual to make reprisals on the subjects of an enemy nation, specif. to arm a ship and capture enemy merchant ships and cargo
- liberal education — an education based primarily on the liberal arts, emphasizing the development of intellectual abilities as opposed to the acquisition of professional skills.
- 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.
- literary executor — a person entrusted with the publishable works and other papers of a deceased author.
- lithium carbonate — a colorless crystalline compound, Li 2 CO 3 , slightly soluble in water: used in ceramic and porcelain glazes, pharmaceuticals, and luminescent paints.
- lithium hydroxide — a white, crystalline, water-soluble compound, LiOH, used to absorb carbon dioxide, especially in spacesuits.
- little blue heron — a small heron, Egretta caerulea, of the warmer parts of the Western Hemisphere, having bluish-gray plumage.
- loggerhead turtle — a sea turtle, Caretta caretta, having a large head: now greatly reduced in number.
- louisiana tanager — western tanager.
- lumpenproletariat — the lowest level of the proletariat comprising unskilled workers, vagrants, and criminals and characterized by a lack of class identification and solidarity.
- macfarlane burnet — Sir (Frank) Macfarlane [muh k-fahr-luh n] /məkˈfɑr lən/ (Show IPA), 1899–1985, Australian physician: Nobel Prize in Physiology 1960.
- macroevolutionary — Pertaining to, or as a result of macroevolution.
- man enough to/for — If you say that a man is man enough to do something, you mean that he has the necessary courage or ability to do it.
- management course — a course provided by an educational establishment such as a university, which teaches skills concerning the management of a company, business, etc
- manual typewriter — a keyboard machine, operated entirely by hand, for writing mechanically in characters resembling print
- manufactured home — a prefabricated house, assembled in modular sections.
- mare fecunditatis — (Sea of Fertility) a dark plain in the fourth quadrant and extending into the first quadrant of the face of the moon: about 160,000 sq. mi. (415,000 sq. km).
- margaret of anjou — 1430–82, queen of Henry VI of England.
- marriage equality — the state of having the same rights and responsibilities of marriage as others, regardless of one's sexual orientation or gender identity.
- mensural notation — a system of musical notation of the 13th to the late 16th centuries, marked by the use of note symbols such as the longa and brevis, the absence of bar lines and ties, and the equivalence in value of one note to either two or three of the next smaller degree.
- mercury barometer — a barometer in which the weight of a column of mercury in a glass tube with a sealed top is balanced against that of the atmosphere pressing on an exposed cistern of mercury at the base of the mercury column, the height of the column varying with atmospheric pressure.
- mesembryanthemums — Plural form of mesembryanthemum.
- messier catalogue — a catalogue of 103 nonstellar objects, such as nebulae and galaxies, prepared in 1781–86. An object is referred to by its number in this catalogue, for example the Andromeda Galaxy is referred to as M31
- metallofullerenes — Plural form of metallofullerene.
- methylidyne group — the trivalent group ≡CH.
- microconstituents — a microscopically small constituent of a metal or alloy.
- microencapsulated — Encapsulated using microencapsulation.
- microevolutionary — Of or pertaining to microevolution.
- microminiaturized — Simple past tense and past participle of microminiaturize.
- microreproduction — a photographic image too small to be read by the unaided eye.
- misunderstandable — Capable of being misunderstood.
- misunderstandings — Plural form of misunderstanding.
- modest mussorgski — Modest Petrovich [moh-dest pi-troh-vich;; Russian muh-dyest pyi-traw-vyich] /moʊˈdɛst pɪˈtroʊ vɪtʃ;; Russian mʌˈdyɛst pyɪˈtrɔ vyɪtʃ/ (Show IPA), Moussorgsky, Modest Petrovich.