13-letter words containing r, e, n, t, a, l
- lactoproteins — Plural form of lactoprotein.
- laevorotation — a rotation to the left
- lake sturgeon — a sturgeon, Acipenser fulvescens, of the Great Lakes and Mississippi and St. Lawrence rivers.
- land registry — In Britain, a land registry is a government office where records are kept about each area of land in a country or region, including information about who owns it.
- landed gentry — land-owning class
- landgraviates — Plural form of landgraviate.
- language arts — study of reading and writing
- lantern clock — an English bracket clock of the late 16th and 17th centuries, having a brass case with corner columns supporting pierced crestings on the sides and front.
- lantern slide — a slide or transparency for projection by a slide projector or magic lantern.
- lantern wheel — a wheel, used like a pinion, consisting essentially of two parallel disks or heads whose peripheries are connected by a series of bars that engage with the teeth of another wheel.
- lantern-jawed — having a lantern jaw.
- laryngectomee — someone who has had a laryngectomy
- laryngotomies — Plural form of laryngotomy.
- laser pointer — a portable laser that emits monochromatic light over a long and narrow distance, used especially as a pointing device.
- laser printer — Computers. a high-speed printer that uses a laser to form dot-matrix patterns and an electrostatic process to fuse metallic particles to paper a page at a time: capable of producing a variety of character fonts, graphics, and other symbols.
- lateen-rigged — having lateen sails.
- latent period — Also, latency period. Pathology. the interval between exposure to a carcinogen, toxin, or disease-causing organism and development of a consequent disease.
- lateral canal — a canal running parallel to a stream that is inconvenient or impossible to navigate.
- lateral chain — an open chain of atoms attached to an atom of a larger chain, or to a ring.
- lateroversion — abnormal lateral displacement of a bodily organ or part, esp of the uterus
- latin america — the part of the American continents south of the United States in which Spanish, Portuguese, or French is officially spoken.
- latin quarter — the quarter of Paris on the south side of the Seine, especially frequented for centuries by students, writers, and artists.
- law of nature — an empirical truth of great generality, conceived of as a physical (but not a logical) necessity, and consequently licensing counterfactual conditionals
- law stationer — a stationer selling articles used by lawyers
- lead arsenate — a white, crystalline, water-insoluble, highly poisonous powder, PbHAsO 4 , used as an insecticide.
- leafleteering — The printing and distribution of leaflets, especially as propaganda.
- least bittern — any of several tawny brown herons that inhabit reedy marshes, as Botaurus lentiginosus (American bittern) of North America, and B. stellaris, of Europe.
- legionary ant — army ant
- lepidopterans — Plural form of lepidopteran.
- letterspacing — the amount of space between each letter in a word, or the adjustment of this amount of space
- levant dollar — a silver coin, either a Maria Theresa thaler or an imitation of one, formerly used for trade with Abyssinia, Eritrea, Aden, etc. Imitations bear the date 1780 regardless of the year of minting.
- levant storax — a solid resin with a vanillalike odor, obtained from a small tree, Styrax officinalis: formerly used in medicine and perfumery.
- liberationism — the principles of liberationists
- liberationist — the act of liberating or the state of being liberated.
- libyan desert — a desert in N Africa, in E Libya, W Egypt, and NW Sudan, W of the Nile: part of the Sahara. About 650,000 sq. mi. (1,683,500 sq. km).
- lift a finger — the terminal, prehensile part of the upper limb in humans and other primates, consisting of the wrist, metacarpal area, fingers, and thumb.
- light mineral — any rock-forming mineral that has a specific gravity of less than 2.8 and is generally light in color.
- light reading — reading which is not considered too demanding or intellectual
- line integral — the limit, as the norm of the partition of a given curve approaches zero, of the sum of the product of the length of the arcs in the partition times the value of the function at some point on each arc.
- linearisation — Alternative spelling of linearization.
- linearization — The modification of a system such that its output is linearly dependent on its input.
- lonely hearts — of or for people seeking counseling or companionship to bring love or romance into their lives: a lonely-hearts column in the newspaper.
- lonely-hearts — of or for people seeking counseling or companionship to bring love or romance into their lives: a lonely-hearts column in the newspaper.
- losing streak — a succession of losses or defeats
- love triangle — relationship between three people
- lucrativeness — profitable; moneymaking; remunerative: a lucrative business.
- lunar orbiter — one of a series of space probes that orbited and photographed the moon in 1966 and 1967.
- lusus naturae — a deformed person or thing; freak.
- macronucleate — having a macronucleus.
- magic lantern — a device having an enclosed lamp and a lenslike opening, formerly used for projecting and magnifying images mounted on slides or films.