16-letter words containing i, r, a, t, o
- kurdaitcha shoes — (in certain Central Australian Aboriginal tribes) the emu-feather shoes worn by the kurdaitcha on his mission so that his footsteps may not be traced
- labour relations — Labour relations refers to the relationship between employers and employees in industry, and the political decisions and laws that affect it.
- labour-intensive — Labour-intensive industries or methods of making things involve a lot of workers. Compare capital-intensive.
- lacto-vegetarian — a vegetarian whose diet includes dairy produce and eggs
- lactovegetarians — Plural form of lactovegetarian.
- lagrangian point — one of five points in the orbital plane of two bodies orbiting about their common center of gravity at which another body of small mass can be in equilibrium.
- large-print book — a book where the text is printed in larger text than normal, so as to make it easier to read, esp for the visually impaired
- latissimus dorsi — a broad, flat muscle on each side of the midback, the action of which draws the arm backward and downward and rotates the front of the arm toward the body.
- lawson criterion — (in a hypothetical nuclear fusion reactor) the requirement that in order for the energy produced by fusion to exceed the energy expended in causing the fusion, the product of the density of the fuel and the time during which it is confined at that density (Lawson product) must be greater than a certain number that depends on the kind of fuel used.
- legal dictionary — a specialized dictionary covering terms used in the various branches of the legal profession, as civil law, criminal law, and corporate law. A comprehensive legal dictionary adds to its body of standard English entries many words and phrases that have made their way into modern legal practice from law French and Latin and are rarely found in a general English monolingual dictionary. Such a specialized dictionary is useful not only for law students and for attorneys themselves, but for members of the lay public who require legal services. Legal dictionaries published in print follow the normal practice of sorting entry terms alphabetically, while electronic dictionaries, such as the online Dictionary of Law on Dictionary.com, allow direct, immediate access to a search term.
- legal separation — judicial separation.
- lenticular cloud — a very smooth, round or oval, lens-shaped cloud that is often seen, singly or stacked in groups, near a mountain ridge.
- leptosporangiate — (of ferns) having each sporangium developing from a single cell, rather than from a group, and normally with specialized explosive spore dispersal
- letter of advice — a notification from a consignor to a consignee giving specific information as to a shipment, the name of the carrier, the date shipped, etc.
- levallois-perret — a suburb of Paris, in N France, on the Seine.
- libation-bearers — Choëphori.
- liberal democrat — In Britain, a Liberal Democrat is a member of the Liberal Democrat Party.
- liberal unionist — a Liberal who opposed Gladstone's policy of Irish Home Rule in 1886 and after
- lick observatory — the astronomical observatory of the University of California, situated on Mount Hamilton, near San Jose, California, and having a 120-inch (3-meter) reflecting telescope and a 36-inch (91-cm) refracting telescope.
- limited monarchy — a monarchy that is limited by laws and a constitution.
- limited-monarchy — a limited train, bus, etc.
- listen to reason — be persuaded
- literacy project — a project, plan or scheme to increase literacy in a country, area, etc
- lithographically — In the manner of lithography.
- little brown bat — any of several small to medium-sized common bats of the genera Myotis and Eptesicus, found worldwide in caves, trees, and buildings, including M. lucifugus (little brown bat) and E. fuscus (big brown bat) a widespread North American species.
- littoral warfare — military combat conducted in coastal areas.
- loan translation — the process whereby a compound word or expression is created by literal translation of each of the elements of a compound word or expression in another language, as marriage of convenience from French mariage de convenance.
- local oscillator — the oscillator in a superheterodyne receiver whose output frequency is mixed with the incoming modulated radio-frequency carrier signal to produce the required intermediate frequency
- locomotor ataxia — tabes dorsalis.
- logical operator — any of the Boolean symbols or functions, as AND, OR, and NOT, denoting a Boolean operation; Boolean operator.
- logical relation — A relation R satisfying f R g <=> For all a, b, a R b => f a R g b This definition, by Plotkin, can be used to extend the definition of a relation on the types of a and b to a relation on functions.
- loire-atlantique — a department in NW France. 2695 sq. mi. (6980 sq. km). Capital: Nantes.
- lord proprietary — (in Colonial America) an owner, governor, or grantee of a proprietary colony
- lost river range — a mountain range in E central Idaho. Highest peak, Borah Peak (also highest in the state), 12,662 feet (3862 meters).
- lower palatinate — See under Palatinate (def 1).
- machine operator — someone who operates mechanical equipment
- macro-linguistic — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- macroclimatology — the study of the climatic conditions of a large area.
- macroenvironment — (biology) The large-scale and long-term environment and conditions that affect an organism.
- macroinstruction — macro (def 5).
- macrolepidoptera — a collector's name for that part of the lepidoptera that comprises the butterflies and the larger moths (noctuids, geometrids, bombycids, springtails, etc): a term without taxonomic significance
- macrolinguistics — a field of study concerned with language in its broadest sense and including cultural and behavioral features associated with language.
- macrorestriction — In physical gene mapping, the digestion of DNA of high molecular weight with a restriction enzyme having a low number of restriction sites.
- magnesiochromite — (mineral) A chromite species with the formula MgCr2O4.
- magnetic equator — aclinic line.
- magneto-electric — of or relating to the induction of electric current or electromotive force by means of permanent magnets.
- magnetochemistry — the study of magnetic and chemical phenomena in their relation to one another.
- magnetoresistive — Of or pertaining to magnetoresistance.
- magnetostriction — a change in dimensions exhibited by ferromagnetic materials when subjected to a magnetic field.
- magnetostrictive — Of or pertaining to magnetostriction.