13-letter words containing l, o, r, e, t
- lepidopterist — the branch of zoology dealing with butterflies and moths.
- lepidopterous — belonging or pertaining to the Lepidoptera, an order of insects comprising the butterflies, moths, and skippers, that in the adult state have four membranous wings more or less covered with small scales.
- leptokurtosis — the state of being leptokurtic.
- leptokurtotic — (statistics) Leptokurtic.
- lepton number — in a process involving elementary particles, the total number of leptons minus the total number of antileptons.
- leptospirosis — an infectious disease of humans and of horses, dogs, swine, and other animals, caused by the spirochete Leptospira interrogans and characterized by fever, muscle pain, and jaundice, and in severe cases involving the liver and kidney.
- lethal factor — a gene that under certain conditions causes the death of an organism.
- letter opener — bladed tool for opening envelopes
- leucitohedron — a trapezohedron
- 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.
- libel tourism — the act of suing a writer for alleged defamation in a foreign jurisdiction where there are weak libel laws.
- libel tourist — someone who engages in libel tourism.
- liberationism — the principles of liberationists
- liberationist — the act of liberating or the state of being liberated.
- liberty horse — (in a circus) a riderless horse that performs movements to verbal commands
- life-or-death — life-and-death.
- linearisation — Alternative spelling of linearization.
- linearization — The modification of a system such that its output is linearly dependent on its input.
- liposculpture — the surgical removal of subcutaneous fat and its transplant to another part of the body, as to fill out facial contours.
- listerellosis — listeriosis.
- literacy hour — (in England and Wales) a daily reading and writing lesson that was introduced into the national primary school curriculum in 1998 to raise standards of literacy
- lithotripters — Plural form of lithotripter.
- live together — cohabit
- lobster shift — Also called lobster trick. dogwatch (def 2).
- london rocket — the plant Sisymbrium irio
- 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.
- long trousers — full-length trousers (as opposed to shorts)
- loop diuretic — any of a group of diuretics, including frusemide, that act by inhibiting resorption of salts from Henle's loop of the kidney tubule
- lord advocate — (in Scotland) the chief law officer of the Crown who acts as public prosecutor and is in charge of the administration of criminal justice
- lord temporal — a member of the House of Lords who is not a member of the clergy.
- lorentz force — the force on a charged particle moving through a region containing both electric and magnetic fields.
- lose track of — to fail to follow the passage, course, or progress of
- losing streak — a succession of losses or defeats
- loss adjuster — A loss adjuster is someone who is employed by an insurance company to decide how much money should be paid to a person making a claim.
- lost property — lost and found.
- louis pasteur — Louis [loo-ee;; French lwee] /ˈlu i;; French lwi/ (Show IPA), 1822–95, French chemist and bacteriologist.
- love triangle — relationship between three people
- love-stricken — If you describe someone as love-stricken, you mean that they are so much in love that they are behaving in a strange and foolish way.
- low countries — the lowland region of W Europe, on the North Sea: consists of Belgium, Luxembourg, and the Netherlands
- lower austria — a province in NE Austria. 7092 sq. mi. (18,370 sq. km).
- lubber's knot — an improperly made reef or square knot, likely to slip loose.
- lucretia mott — John Raleigh, 1865–1955, U.S. religious leader: Nobel Peace Prize 1946.
- lump together — If a number of different people or things are lumped together, they are considered as a group rather than separately.
- lunar orbiter — one of a series of space probes that orbited and photographed the moon in 1966 and 1967.
- lunch counter — a counter, as in a store or restaurant, where light meals and snacks are served or are sold to be taken out.
- macroclimates — Plural form of macroclimate.
- macrolecithal — megalecithal.
- macronucleate — having a macronucleus.